Change wpiformat CD to match wpilib (#858)

.github/workflows/main.yml

@@ -277,16 +277,11 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: 3.8
-      - name: Install clang-format
-        run: |
-          sudo sh -c "echo 'deb http://archive.ubuntu.com/ubuntu/ $(lsb_release -cs)-proposed restricted main multiverse universe' >> /etc/apt/sources.list.d/proposed-repositories.list"
-          sudo apt-get update -q
-          sudo apt-get install -y clang-format-12
       - name: Install wpiformat
         run: pip3 install wpiformat
       - name: Run
-        run: wpiformat -clang 12
-      - name: Check Output
+        run: wpiformat
+      - name: Check output
         run: git --no-pager diff --exit-code HEAD
       - name: Generate diff
         run: git diff HEAD > wpiformat-fixes.patch