[PR #11049/396f467b backport][stable-12] Improve Python code: address unused variables (#11058)

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.

(cherry picked from commit 396f467bbb)

Co-authored-by: Felix Fontein <felix@fontein.de>

plugins/modules/opendj_backendprop.py

@@ -179,7 +179,7 @@ def main():
     backend_name = module.params["backend"]
     name = module.params["name"]
     value = module.params["value"]
-    state = module.params["state"]
+    # state = module.params["state"]  TODO - ???
 
     if module.params["password"] is not None:
         password_method = ["-w", password]