add uspport for local backend

Author: ahosler

ads/opctl/operator/common/backend_factory.py

@@ -76,16 +76,6 @@ class BackendFactory:
                 RUNTIME_TYPE.CONTAINER.value.lower(),
             ),
         },
-        BACKEND_NAME.LOCAL.value.lower(): {
-            RUNTIME_TYPE.PYTHON.value.lower(): (
-                BACKEND_NAME.LOCAL.value.lower(),
-                RUNTIME_TYPE.PYTHON.value.lower(),
-            ),
-            RUNTIME_TYPE.CONTAINER.value.lower(): (
-                BACKEND_NAME.LOCAL.value.lower(),
-                RUNTIME_TYPE.CONTAINER.value.lower(),
-            ),
-        },
     }
 
     BACKEND_MAP = {