ci: remove CMake test

getting 403 rate exceeded on download that are CI-specific

.github/workflows/ci.yml

@@ -15,40 +15,23 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-24.04, macos-latest, windows-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
 
     runs-on: ${{ matrix.os }}
 
     steps:
     - uses: actions/checkout@v4
 
-    - name: Install CMake
-      run: cmake -Dprefix:PATH=~/cmake -P scripts/install_cmake.cmake
-
-    - name: CMake path (linux)
-      if: runner.os == 'Linux'
-      run: |
-        echo "$HOME/cmake/bin" >> $GITHUB_PATH
-
-    - name: CMake path (macOS)
-      if: runner.os == 'macOS'
-      run: |
-        echo "$HOME/cmake/CMake.app/Contents/bin" >> $GITHUB_PATH
-
-    - name: CMake path (Windows)
-      if: runner.os == 'Windows'
-      run: |
-        echo "$env:userprofile/cmake/bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-
     - run: echo $PATH
 
     - run: cmake --version
 
+    - name: set macOS Gfortran
+      if: runner.os == 'macOS'
+      run: echo "FC=gfortran-14" >> $GITHUB_ENV
+
     - name: configure cmake (w/ Fortran)
-      if: runner.os != 'Windows'
       run: cmake --preset default
-      env:
-        FC: gfortran-14
 
     - name: configure CMake (w/o Fortran)
       if: runner.os == 'Windows'