[CI] Remove test stage for macOS and go back to macos-latest

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Odin check
         run: ./odin check examples/demo/demo.odin -vet
   build_macOS:
-    runs-on: macos-11.0
+    runs-on: macos-latest
     steps:
       - uses: actions/checkout@v1
       - name: Download LLVM and setup PATH
@@ -24,12 +24,6 @@ jobs:
           echo "/usr/local/opt/llvm/bin" >> $GITHUB_PATH
           TMP_PATH=$(xcrun --show-sdk-path)/user/include
           echo "CPATH=$TMP_PATH" >> $GITHUB_ENV
-          echo $CPATH
-      - name: TEST
-        run: |
-          echo $CPATH
-          llc --version
-          opt --version
       - name: build odin
         run: make release
       - name: Odin run