remove unused function

weed/sequence/memory_sequencer.go

@@ -30,7 +30,3 @@ func (m *MemorySequencer) SetMax(seenValue uint64) {
 		m.counter = seenValue + 1
 	}
 }
-
-func (m *MemorySequencer) Peek() uint64 {
-	return m.counter
-}

weed/sequence/sequence.go

@@ -3,5 +3,4 @@ package sequence
 type Sequencer interface {
 	NextFileId(count uint64) uint64
 	SetMax(uint64)
-	Peek() uint64
 }

weed/sequence/snowflake_sequencer.go

@@ -42,8 +42,3 @@ func (m *SnowflakeSequencer) NextFileId(count uint64) uint64 {
 // ignore setmax as we are snowflake
 func (m *SnowflakeSequencer) SetMax(seenValue uint64) {
 }
-
-// return a new id as no Peek is stored
-func (m *SnowflakeSequencer) Peek() uint64 {
-	return uint64(m.node.Generate().Int64())
-}