ci: Ninja now pre-installed on GA runners

Author: scivision

.github/workflows/ci_fpm.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
 
-    - uses: fortran-lang/setup-fpm@v4
+    - uses: fortran-lang/setup-fpm@v7
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}
 

.github/workflows/composite-unix/action.yml

@@ -6,16 +6,6 @@ runs:
 
   steps:
 
-  - name: install Ninja (Linux)
-    shell: bash
-    if: runner.os == 'Linux'
-    run: sudo apt install --no-install-recommends ninja-build
-
-  - name: Install Ninja (MacOS)
-    shell: bash
-    if: runner.os == 'macOS'
-    run: brew install ninja
-
   - name: Configure
     shell: bash
     run: >-