Remove macOS 12 test jobs from CI configuration

Removed macOS 12 test configurations for g++ and clang++.

Author: MikeMirzayanov

.github/workflows/ci.yml

@@ -146,35 +146,6 @@ jobs:
           cd tests
           bash ./run.sh ${{ matrix.compiler }} v${{ matrix.version }} 32
 
-  tests-macos12-gpp:
-    strategy:
-      matrix:
-        os: [macos-12]
-        compiler: [g++]
-        version: [12, 13, 14]
-    name: Use ${{ matrix.compiler }}-${{ matrix.version }} on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v3
-      - name: Run tests
-        run: |
-          cd tests
-          bash ./run.sh ${{ matrix.compiler }} v${{ matrix.version }}
-
-  tests-macos12-clang:
-    strategy:
-      matrix:
-        os: [macos-12]
-        compiler: [clang++]
-    name: Use ${{ matrix.compiler }} on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v3
-      - name: Run tests
-        run: |
-          cd tests
-          bash ./run.sh ${{ matrix.compiler }}
-
   tests-macos13-gpp:
     strategy:
       matrix: