Remove and prevent trailing whitespace (#10199)

* Remove trailing whitespace.

* Add no-trailing-whitespace extra test.

* Re-add needed trailing whitespace.

* Remove one more trailing whitespace.

tests/integration/targets/setup_redis_replication/tasks/setup_redis_cluster.yml

@@ -21,9 +21,9 @@
   notify: cleanup redis
 
 - name: Create redis directories
-  file:                                                                                                                                                                                                 
+  file:
     path: "{{ item }}"
-    state: directory                                                                                                                                                                                    
+    state: directory
     owner: "{{ redis_user[ansible_distribution] }}"
     group: "{{ redis_user[ansible_distribution] }}"
   loop: