Remove MacOS Github runner

.github/workflows/run_tests.yaml

@@ -7,12 +7,6 @@ jobs:
       - run: sudo apt install g++
       - run: sudo apt install clang
       - run: g++ -o bld src/build_tool/main.cpp -g -lm && ./bld
-  run-and-compile-mac:
-    runs-on: macos-latest
-    steps:
-      - uses: actions/checkout@v4
-      - run: brew install llvm
-      - run: clang++ src/build_tool/main.cpp -std=c++11 -o bld && ./bld
   run-and-compile-windows:
     runs-on: windows-latest
     steps:
@@ -22,4 +16,10 @@ jobs:
             arch: x64
         - uses: actions/checkout@v4
         - run: cl.exe src/build_tool/main.cpp /Fe:bld.exe && bld.exe
-          shell: cmd
+          shell: cmd
+  # run-and-compile-mac:
+  #   runs-on: macos-latest
+  #   steps:
+  #     - uses: actions/checkout@v4
+  #     - run: brew install llvm
+  #     - run: clang++ src/build_tool/main.cpp -std=c++11 -o bld && ./bld --threads 1