Drop running CI jobs on macos-m1 custom runner

Author: Gedochao

Diff for: .github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macOS-latest, macOS-m1, windows-latest]
+        os: [ubuntu-latest, macOS-13, macOS-latest, windows-latest]
         jvm: ['temurin:17']
     steps:
     - uses: actions/checkout@v4
@@ -34,8 +34,6 @@ jobs:
     - run: echo 'name := "foo"' > build.sbt
     - id: scala-cli-setup
       uses: ./
-      env:
-        COURSIER_BIN_DIR: ${{ github.workspace }}/cs/bin
       with:
         jvm: ${{ matrix.jvm }}
         apps: sbt sbtn ammonite bloop:1.4.11