remove github garbage

.github/workflows/pr.yml

@@ -1,42 +0,0 @@
-name: PR
-
-on: [pull_request]
-
-jobs:
-  Validate:
-    runs-on: ubuntu-latest
-    name: Validate OTP ${{matrix.otp}} / Elixir ${{matrix.elixir}}
-    strategy:
-      matrix:
-        elixir:
-          - 1.15
-        otp:
-          - 26.1
-    steps:
-    - uses: actions/checkout@v4
-    - name: Set up Elixir
-      uses: erlef/setup-beam@v1
-      with:
-        elixir-version: ${{ matrix.elixir }}
-        otp-version: ${{ matrix.otp }}
-    - uses: actions/cache@v3
-      with:
-        path: |
-          deps
-          _build
-        key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-mix-
-    - name: Install Dependencies
-      run: mix deps.get
-    - name: Check Format
-      run: mix format --check-formatted
-    - name: Compile
-      run: mix compile --all-warnings --warnings-as-errors
-    - name: Test
-      run: mix test
-    
-        
-
-
-