Remove Open Archiver (moved to awesome-selfhosted)

- See https://github.com/awesome-selfhosted/awesome-selfhosted-data/pull/1912#issuecomment-3732729258

README.md

@@ -9,55 +9,57 @@
 
 ## Table of contents
 
-- [Software](#software)
-  - [Automation](#automation)
-  - [Backups](#backups)
-  - [Build and software organization tools](#build-and-software-organization-tools)
-  - [ChatOps](#chatops)
-  - [Cloud Computing](#cloud-computing)
-  - [Code Review](#code-review)
-  - [Configuration Management](#configuration-management)
-  - [Configuration Management Database](#configuration-management-database)
-  - [Continuous Integration & Continuous Deployment](#continuous-integration--continuous-deployment)
-  - [Control Panels](#control-panels)
-  - [Databases](#databases)
-  - [Deployment Automation](#deployment-automation)
-  - [Diagramming](#diagramming)
-  - [Distributed Filesystems](#distributed-filesystems)
-  - [DNS - Control Panels & Domain Management](#dns---control-panels--domain-management)
-  - [DNS - Servers](#dns---servers)
-  - [Editors](#editors)
-  - [Identity Management](#identity-management)
-  - [Identity Management - LDAP](#identity-management---ldap)
-  - [Identity Management - Single Sign-On (SSO)](#identity-management---single-sign-on-sso)
-  - [Identity Management - Tools and web interfaces](#identity-management---tools-and-web-interfaces)
-  - [IT Asset Management](#it-asset-management)
-  - [Log Management](#log-management)
-  - [Mail Clients](#mail-clients)
-  - [Metrics & Metric Collection](#metrics--metric-collection)
-  - [Miscellaneous](#miscellaneous)
-  - [Monitoring](#monitoring)
-  - [Network Configuration Management](#network-configuration-management)
-  - [PaaS](#paas)
-  - [Packaging](#packaging)
-  - [Project Management](#project-management)
-  - [Queuing](#queuing)
-  - [Remote Desktop Clients](#remote-desktop-clients)
-  - [Router](#router)
-  - [Service Discovery](#service-discovery)
-  - [Software Containers](#software-containers)
-  - [Status Pages](#status-pages)
-  - [Troubleshooting](#troubleshooting)
-  - [Version control](#version-control)
-  - [Virtualization](#virtualization)
-  - [VPN](#vpn)
-  - [Web](#web)
-- [List of Licenses](#list-of-licenses)
-- [External links](#external-links)
-- [Communities / Forums](#communities--forums)
-- [Repositories](#repositories)
-- [Websites](#websites)
-- [License](#license)
+- [Awesome Sysadmin](#awesome-sysadmin)
+  - [Table of contents](#table-of-contents)
+  - [Software](#software)
+    - [Automation](#automation)
+    - [Backups](#backups)
+    - [Build and software organization tools](#build-and-software-organization-tools)
+    - [ChatOps](#chatops)
+    - [Cloud Computing](#cloud-computing)
+    - [Code Review](#code-review)
+    - [Configuration Management](#configuration-management)
+    - [Configuration Management Database](#configuration-management-database)
+    - [Continuous Integration \& Continuous Deployment](#continuous-integration-continuous-deployment)
+    - [Control Panels](#control-panels)
+    - [Databases](#databases)
+    - [Deployment Automation](#deployment-automation)
+    - [Diagramming](#diagramming)
+    - [Distributed Filesystems](#distributed-filesystems)
+    - [DNS - Control Panels \& Domain Management](#dns-control-panels-domain-management)
+    - [DNS - Servers](#dns-servers)
+    - [Editors](#editors)
+    - [Identity Management](#identity-management)
+    - [Identity Management - LDAP](#identity-management-ldap)
+    - [Identity Management - Single Sign-On (SSO)](#identity-management-single-sign-on-sso)
+    - [Identity Management - Tools and web interfaces](#identity-management-tools-and-web-interfaces)
+    - [IT Asset Management](#it-asset-management)
+    - [Log Management](#log-management)
+    - [Mail Clients](#mail-clients)
+    - [Metrics \& Metric Collection](#metrics-metric-collection)
+    - [Miscellaneous](#miscellaneous)
+    - [Monitoring](#monitoring)
+    - [Network Configuration Management](#network-configuration-management)
+    - [PaaS](#paas)
+    - [Packaging](#packaging)
+    - [Project Management](#project-management)
+    - [Queuing](#queuing)
+    - [Remote Desktop Clients](#remote-desktop-clients)
+    - [Router](#router)
+    - [Service Discovery](#service-discovery)
+    - [Software Containers](#software-containers)
+    - [Status Pages](#status-pages)
+    - [Troubleshooting](#troubleshooting)
+    - [Version control](#version-control)
+    - [Virtualization](#virtualization)
+    - [VPN](#vpn)
+    - [Web](#web)
+  - [List of Licenses](#list-of-licenses)
+  - [External links](#external-links)
+  - [Communities / Forums](#communities-forums)
+  - [Repositories](#repositories)
+  - [Websites](#websites)
+  - [License](#license)
 
 --------------------
 
@@ -95,7 +97,6 @@ _See also: [Restic's list of Linux backup software](https://github.com/restic/ot
 - [Dar](http://dar.linux.free.fr/) - Which stands for Disk ARchive, is a robust and rich featured archiving and backup software of the tar style. ([Source Code](https://github.com/Edrusb/DAR)) `GPL-2.0` `C++`
 - [Duplicati](https://www.duplicati.com) - Backup client that securely stores encrypted, incremental, compressed backups on cloud storage services and remote file servers. ([Source Code](https://github.com/duplicati/duplicati)) `LGPL-2.1` `C#`
 - [Duplicity](https://duplicity.gitlab.io/) - Encrypted bandwidth-efficient backup using the rsync algorithm. ([Source Code](https://gitlab.com/duplicity/duplicity)) `GPL-2.0` `Python`
-- [Open Archiver](https://docs.openarchiver.com) - Email archiving solution with full-text search and eDiscovery search features. ([Source Code](https://github.com/LogicLabs-OU/OpenArchiver)) `AGPL-3.0` `Docker`
 - [Minarca](https://minarca.org/) - Client–server backup platform with a centralized web console to manage and restore Linux, Windows, and macOS backups via GUI or CLI. ([Source Code](https://gitlab.com/ikus-soft/minarca)) `AGPL-3.0` `Python`
 - [Proxmox Backup Server](https://www.proxmox.com/en/proxmox-backup-server) - Proxmox Backup Server is an enterprise-class, client-server backup solution thatis capable of backing up virtual machines, containers, and physical hosts. ([Source Code](https://git.proxmox.com/?p=proxmox-backup.git;a=tree)) `GPL-3.0` `Rust`
 - [rclone](https://rclone.org/) - Command-line program to sync files and directories to and from different cloud storage providers.. ([Source Code](https://github.com/rclone/rclone)) `MIT` `Go`