Improve Python code: address unused variables (#11049)

* Address F841 (unused variable).

* Reformat.

* Add changelog fragment.

* More cleanup.

* Remove trailing whitespace.

* Readd removed code as a comment with TODO.

plugins/module_utils/gitlab.py

@@ -57,11 +57,11 @@ def auth_argument_spec(spec=None):
 def find_project(gitlab_instance, identifier):
     try:
         project = gitlab_instance.projects.get(identifier)
-    except Exception as e:
+    except Exception:
         current_user = gitlab_instance.user
         try:
             project = gitlab_instance.projects.get(f"{current_user.username}/{identifier}")
-        except Exception as e:
+        except Exception:
             return None
 
     return project
@@ -70,7 +70,7 @@ def find_project(gitlab_instance, identifier):
 def find_group(gitlab_instance, identifier):
     try:
         group = gitlab_instance.groups.get(identifier)
-    except Exception as e:
+    except Exception:
         return None
 
     return group