Extend validate-modules to check the next to last line (#34819)

* Add validation for the next to last line of a module

* Fix last error code

* Reduce to a single conditional

* Fix conditionals

* Move the final warnings statement to main() in mysql_replication

lib/ansible/modules/database/mysql/mysql_replication.py

@@ -359,7 +359,8 @@ def main():
         else:
             module.exit_json(msg="Slave already reset", changed=False)
 
+    warnings.simplefilter("ignore")
+
 
 if __name__ == '__main__':
     main()
-    warnings.simplefilter("ignore")