Fixed the following SonarQube code smells:

1) Do not use Array index in keys.
2) Unnecessary escape character.
3) Rename this local variable to match the regular expression ^[_a-z][a-z0-9_]*$
4) Remove the unused local variable.

web/pgadmin/browser/server_groups/servers/databases/schemas/tables/triggers/__init__.py

@@ -359,7 +359,6 @@ class TriggerView(PGChildNodeView, SchemaDiffObjectCompare):
         """
         res = [{'label': '', 'value': ''}]
 
-        # TODO: REMOVE True Condition , it's just for testing
         # If server type is EDB-PPAS then we also need to add
         # inline edb-spl along with options fetched by below sql