feat: remove "skip ci" logic from GiHub Actions workflow file

This is no longer necessary, see https://github.blog/changelog/2021-02-08-github-actions-skip-pull-request-and-push-workflows-with-skip-ci/

Author: tyrann0us

.github/workflows/php-qa.yml

@@ -4,8 +4,6 @@ jobs:
 
     Unit_Tests:
         runs-on: ubuntu-latest
-        if: ${{ !contains(github.event.head_commit.message, 'ci skip') }}
-
         strategy:
             matrix:
                 php: ['7.0', '7.1', '7.2', '7.3', '7.4']
@@ -54,8 +52,6 @@ jobs:
 
     Static_Analisys:
       runs-on: ubuntu-latest
-      if: ${{ !contains(github.event.head_commit.message, 'ci skip') }}
-
       steps:
         - uses: actions/checkout@v2