fix: remove no-op code-quality.yaml workflow

.github/workflows/code-quality.yaml

-name: Code Quality
-
-on:
-  pull_request:
-    paths-ignore:
-      - 'docs/**'
-      - '.cirrus.yml'
-  push:
-    branches: [master]
-    paths-ignore:
-      - 'docs/**'
-      - '.cirrus.yml'
-
-jobs:
-  pre-commit:
-    name: Linting
-    runs-on: ubuntu-latest
-    steps:
-      - run: exit 0

.github/workflows/skip.yml

@@ -19,12 +19,6 @@ on:
       - '**'
 
 jobs:
-  pre-commit:
-    name: Linting
-    runs-on: ubuntu-latest
-    steps:
-      - run: exit 0
-
   tests:
     name: ${{ matrix.os }} / ${{ matrix.python-version }}
     # we do not need os specific runners here, using linux is quicker