FAB-3527 fix unused variables/functions

remove unused variables and functions found by unused

Change-Id: I6fdd15fce8c002b853e63730cdac90f281d3fb5b
Signed-off-by: Christopher Ferris <[email protected]>

Author: christo4ferris

peer/channel/channel.go

@@ -20,7 +20,6 @@ import (
 	"fmt"
 	"strings"
 
-	"github.com/hyperledger/fabric/common/flogging"
 	"github.com/hyperledger/fabric/msp"
 	"github.com/hyperledger/fabric/peer/common"
 	ab "github.com/hyperledger/fabric/protos/orderer"
@@ -33,8 +32,6 @@ import (
 
 const channelFuncName = "channel"
 
-var logger = flogging.MustGetLogger("channelCmd")
-
 var (
 	// join related variables.
 	genesisBlockPath string

peer/channel/deliverclient.go

@@ -57,14 +57,6 @@ func seekHelper(chainID string, start *ab.SeekPosition) *common.Envelope {
 	return env
 }
 
-func (r *deliverClient) seekOldest() error {
-	return r.client.Send(seekHelper(r.chainID, &ab.SeekPosition{Type: &ab.SeekPosition_Oldest{Oldest: &ab.SeekOldest{}}}))
-}
-
-func (r *deliverClient) seekNewest() error {
-	return r.client.Send(seekHelper(r.chainID, &ab.SeekPosition{Type: &ab.SeekPosition_Newest{Newest: &ab.SeekNewest{}}}))
-}
-
 func (r *deliverClient) seek(blockNumber uint64) error {
 	return r.client.Send(seekHelper(r.chainID, &ab.SeekPosition{Type: &ab.SeekPosition_Specified{Specified: &ab.SeekSpecified{Number: blockNumber}}}))
 }