lnd: remove dead code from fundingmanager

fundingmanager.go

@@ -3233,34 +3233,6 @@ func (f *fundingManager) handleInitFundingMsg(msg *initFundingMsg) {
 	}
 }
 
-// waitUntilChannelOpen is designed to prevent other lnd subsystems from
-// sending new update messages to a channel before the channel is fully
-// opened.
-func (f *fundingManager) waitUntilChannelOpen(targetChan lnwire.ChannelID,
-	quit <-chan struct{}) error {
-
-	f.barrierMtx.RLock()
-	barrier, ok := f.newChanBarriers[targetChan]
-	f.barrierMtx.RUnlock()
-	if ok {
-		fndgLog.Tracef("waiting for chan barrier signal for ChanID(%v)",
-			targetChan)
-
-		select {
-		case <-barrier:
-		case <-quit:
-			return ErrFundingManagerShuttingDown
-		case <-f.quit:
-			return ErrFundingManagerShuttingDown
-		}
-
-		fndgLog.Tracef("barrier for ChanID(%v) closed", targetChan)
-		return nil
-	}
-
-	return nil
-}
-
 // processFundingError sends a message to the fundingManager allowing it to
 // process the occurred generic error.
 func (f *fundingManager) processFundingError(err *lnwire.Error,