ENH: Remove MacOS 14 build as redundant with recently added MacOS 15

Author: dzenanz

.github/workflows/build-test-cxx.yml

@@ -36,7 +36,7 @@ jobs:
     strategy:
       max-parallel: 3
       matrix:
-        os: [ubuntu-22.04, windows-2022, macos-13, macos-14, macos-15]
+        os: [ubuntu-22.04, windows-2022, macos-13, macos-15]
         include:
           - os: ubuntu-22.04
             c-compiler: "gcc"
@@ -50,10 +50,6 @@ jobs:
             c-compiler: "clang"
             cxx-compiler: "clang++"
             cmake-build-type: "MinSizeRel"
-          - os: macos-14
-            c-compiler: "clang"
-            cxx-compiler: "clang++"
-            cmake-build-type: "MinSizeRel"
           - os: macos-15
             c-compiler: "clang"
             cxx-compiler: "clang++"
@@ -86,11 +82,6 @@ jobs:
       run: |
         sudo xcode-select -s "/Applications/Xcode_14.3.1.app"
 
-    - name: 'Specific XCode version 15.0.1'
-      if: matrix.os == 'macos-14'
-      run: |
-        sudo xcode-select -s "/Applications/Xcode_15.0.1.app"
-
     - name: 'Specific XCode version = 16.2'
       if: matrix.os == 'macos-15'
       run: |