Remove hard-coded log level for chaincode module

This change ensures the log level for the chaincode module is inherited
from the parent command's log level instead of using a hard-coded
value of DEBUG.

https://jira.hyperledger.org/browse/FAB-1870

Change-Id: Ia4eb7bb667324433f4b586181c9638e65d6b88e6
Signed-off-by: Will Lahti <[email protected]>

Author: wlahti

core/chaincode/shim/chaincode.go

@@ -132,7 +132,6 @@ func SetChaincodeLoggingLevel() {
 // StartInProc is an entry point for system chaincodes bootstrap. It is not an
 // API for chaincodes.
 func StartInProc(env []string, args []string, cc Chaincode, recv <-chan *pb.ChaincodeMessage, send chan<- *pb.ChaincodeMessage) error {
-	logging.SetLevel(logging.DEBUG, "chaincode")
 	chaincodeLogger.Debugf("in proc %v", args)
 
 	var chaincodename string