fixed wrong variable used for configuring service in grpcutils, add/delete directories for node's service configuration, clean up some old code

daemon/core/gui/coreclient.py

@@ -500,7 +500,6 @@ class CoreClient:
             emane_config = {x: self.emane_config[x].value for x in self.emane_config}
         else:
             emane_config = None
-
         response = core_pb2.StartSessionResponse(result=False)
         try:
             response = self.client.start_session(
@@ -619,6 +618,7 @@ class CoreClient:
         self,
         node_id: int,
         service_name: str,
+        dirs: List[str],
         files: List[str],
         startups: List[str],
         validations: List[str],
@@ -628,6 +628,7 @@ class CoreClient:
             self.session_id,
             node_id,
             service_name,
+            directories=dirs,
             files=files,
             startup=startups,
             validate=validations,
@@ -935,6 +936,7 @@ class CoreClient:
                 config_proto = core_pb2.ServiceConfig(
                     node_id=node_id,
                     service=name,
+                    directories=config.dirs,
                     files=config.configs,
                     startup=config.startup,
                     validate=config.validate,