Remove setup-swift

Author: dongjoon-hyun

.github/workflows/build_and_test.yml

@@ -43,10 +43,11 @@ jobs:
     runs-on: macos-15
     steps:
     - uses: actions/checkout@v4
+    - uses: swift-actions/setup-swift@d10500c1ac8822132eebbd74c48c3372c71d7ff5
+      with:
+        swift-version: "6.1"
     - name: Build
-      run: |
-        docker run swift:6.1 uname -a
-        docker run -v $PWD:/orc -w /orc swift:6.1 swift build -v
+      run: swift build -v
 
   build-ubuntu-latest:
     runs-on: ubuntu-latest