[FAB-8834] Remove fsm from codebase

This completes the cleanup of fsm by:

- removing fsm code from core package
- removing fms package from vendor
- removing references to FSM in log messages

Change-Id: I0a1d3638ff5692522f7c2affdf065d3d37ff8330
Signed-off-by: Gari Singh <gari.r.singh@gmail.com>

Author: mastersingh24

core/chaincode/chaincode_support.go

@@ -618,7 +618,7 @@ func (chaincodeSupport *ChaincodeSupport) Stop(context context.Context, cccid *c
 	return err
 }
 
-// Launch will launch the chaincode if not running (if running return nil) and will wait for handler of the chaincode to get into FSM ready state.
+// Launch will launch the chaincode if not running (if running return nil) and will wait for handler of the chaincode to get into ready state.
 func (chaincodeSupport *ChaincodeSupport) Launch(context context.Context, cccid *ccprovider.CCContext, spec interface{}) (*pb.ChaincodeID, *pb.ChaincodeInput, error) {
 	//build the chaincode
 	var cID *pb.ChaincodeID

core/chaincode/shim/handler.go

@@ -707,7 +707,7 @@ func (handler *Handler) handleReady(msg *pb.ChaincodeMessage, errc chan error) e
 		return nil
 	}
 
-	return errors.Errorf("[%s]Chaincode handler FSM cannot handle message (%s) with payload size (%d) while in state: %s", msg.Txid, msg.Type, len(msg.Payload), handler.state)
+	return errors.Errorf("[%s]Chaincode handler cannot handle message (%s) with payload size (%d) while in state: %s", msg.Txid, msg.Type, len(msg.Payload), handler.state)
 }
 
 //handle established state
@@ -716,7 +716,7 @@ func (handler *Handler) handleEstablished(msg *pb.ChaincodeMessage, errc chan er
 		handler.state = "ready"
 		return nil
 	}
-	return errors.Errorf("[%s]Chaincode handler FSM cannot handle message (%s) with payload size (%d) while in state: %s", msg.Txid, msg.Type, len(msg.Payload), handler.state)
+	return errors.Errorf("[%s]Chaincode handler cannot handle message (%s) with payload size (%d) while in state: %s", msg.Txid, msg.Type, len(msg.Payload), handler.state)
 }
 
 //handle created state
@@ -725,7 +725,7 @@ func (handler *Handler) handleCreated(msg *pb.ChaincodeMessage, errc chan error)
 		handler.state = "established"
 		return nil
 	}
-	return errors.Errorf("[%s]Chaincode handler FSM cannot handle message (%s) with payload size (%d) while in state: %s", msg.Txid, msg.Type, len(msg.Payload), handler.state)
+	return errors.Errorf("[%s]Chaincode handler cannot handle message (%s) with payload size (%d) while in state: %s", msg.Txid, msg.Type, len(msg.Payload), handler.state)
 }
 
 // handleMessage message handles loop for shim side of chaincode/peer stream.
@@ -746,7 +746,7 @@ func (handler *Handler) handleMessage(msg *pb.ChaincodeMessage, errc chan error)
 	case "created":
 		err = handler.handleCreated(msg, errc)
 	default:
-		err = errors.Errorf("[%s]Chaincode handler FSM cannot handle message (%s) with payload size (%d) while in state: %s", msg.Txid, msg.Type, len(msg.Payload), handler.state)
+		err = errors.Errorf("[%s]Chaincode handler cannot handle message (%s) with payload size (%d) while in state: %s", msg.Txid, msg.Type, len(msg.Payload), handler.state)
 	}
 
 	if err != nil {