Fix the issues reported by phpcs

Above error/warnings are fixed.

I will review this.

Patch #2 applied clearly, all the errors and warnings are fixed now.
RTBC+1.

Hi @everyone,

Applied patch #2 and confirmed it fixed all reported issues.

 views_filter_not_front git:(1.0.x) curl https://www.drupal.org/files/issues/2023-02-15/3341782-2.patch | patch -p1
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  5622  100  5622    0     0  11977      0 --:--:-- --:--:-- --:--:-- 12275
patching file README.md
patching file src/Plugin/search_api/processor/ExcludeFrontPage.php
patching file src/Plugin/views/filter/NotFront.php
patching file src/Service/FrontPageNode.php
patching file views_filter_not_front.info.yml
patching file views_filter_not_front.services.yml
patching file views_filter_not_front.views.inc
➜  views_filter_not_front git:(1.0.x) ✗ cd ..
➜  contrib git:(master) ✗ phpcs --standard=Drupal,DrupalPractice --extensions=php,module,inc,install,test,profile,theme,css,info,txt,md,yml,twig views_filter_not_front
➜  contrib git:(master) ✗

Will now move this to RTBC

Thanks,
Jake

Let's create a merge request, now that patches are no longer tested.

avpaderno → changed the visibility of the branch 1.0.x to hidden.

Since GitLab CI is now available for every project, it is better to fix what the GitLab CI report says it must be fixed.