remove forgotten conditional from workflow

Author: vojtapolasek

.github/workflows/ci_lint.yml

@@ -31,7 +31,6 @@ jobs:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Install yamllint
-        if: ${{ env.CONTROLS_CHANGES == 'true' || env.PROFILES_CHANGES == 'true' }}
         run: pip install yamllint
 
       - name: Run yamllint on files modified by the PR