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/kernel_blacklist/handlers/main.yml

@@ -7,4 +7,3 @@
   ansible.builtin.file:
     path: /etc/modprobe.d
     state: absent
-