Revert "Update ci workflow"

This reverts commit a0f8174.

.github/workflows/ci.yaml

@@ -72,8 +72,8 @@ jobs:
           . venv/bin/activate
           pre-commit install --install-hooks
 
-  pylint:
-    name: Run pylint check
+  formatting:
+    name: Run pre-commit checks
     runs-on: ubuntu-latest
     needs: prepare-base
     steps:
@@ -114,48 +114,6 @@ jobs:
           pip install -e .
           pre-commit run pylint --all-files
 
-  mypy:
-    name: Run mypy check
-    runs-on: ubuntu-latest
-    needs: prepare-base
-    steps:
-      - name: Check out code from GitHub
-        uses: actions/checkout@v2.3.4
-      - name: Set up Python ${{ env.DEFAULT_PYTHON }}
-        id: python
-        uses: actions/setup-python@v2.2.2
-        with:
-          python-version: ${{ env.DEFAULT_PYTHON }}
-      - name: Restore Python virtual environment
-        id: cache-venv
-        uses: actions/cache@v2.1.6
-        with:
-          path: venv
-          key:
-            ${{ runner.os }}-${{ steps.python.outputs.python-version }}-${{
-            needs.prepare-base.outputs.python-key }}
-      - name: Fail job if Python cache restore failed
-        if: steps.cache-venv.outputs.cache-hit != 'true'
-        run: |
-          echo "Failed to restore Python venv from cache"
-          exit 1
-      - name: Restore pre-commit environment
-        id: cache-precommit
-        uses: actions/cache@v2.1.6
-        with:
-          path: ${{ env.PRE_COMMIT_CACHE }}
-          key: ${{ runner.os }}-${{ needs.prepare-base.outputs.pre-commit-key }}
-      - name: Fail job if pre-commit cache restore failed
-        if: steps.cache-precommit.outputs.cache-hit != 'true'
-        run: |
-          echo "Failed to restore pre-commit environment from cache"
-          exit 1
-      - name: Run formatting check
-        run: |
-          . venv/bin/activate
-          pip install -e .
-          pre-commit run mypy --all-files
-
   spelling:
     name: Run spelling checks
     runs-on: ubuntu-latest