chore: remove incremental mutation tests

.github/workflows/test-rust-workspace.yml

@@ -109,45 +109,6 @@ jobs:
       - name: Check for pending snapshots
         run: just check-pending-snapshots
 
-  incremental-mutation-test:
-    name: Incremental Mutation Test
-    if: github.event_name == 'pull_request'
-    runs-on: ubuntu-24.04
-    timeout-minutes: 15
-    permissions:
-      contents: read
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v5
-
-      - name: Fetch base commit
-        run: |
-          git fetch --depth=1 origin ${{ github.base_ref }}
-
-      - name: Setup toolchain
-        uses: dtolnay/rust-toolchain@1.85.0
-        with:
-          targets: x86_64-unknown-linux-gnu
-
-      - uses: Swatinem/rust-cache@v2
-        with:
-          key: x86_64-unknown-linux-gnu-debug
-          save-if: false
-
-      - name: Install just
-        uses: taiki-e/install-action@just
-
-      - name: Run incremental mutation test
-        run: just mutation-test ${{ github.base_ref }}
-
-      - name: Archive mutants.out
-        uses: actions/upload-artifact@v4
-        if: always()
-        with:
-          name: mutants-incremental.out
-          path: mutants.out
-
   # This is a job which depends on all test jobs and reports the overall status.
   # This allows us to add/remove test jobs without having to update the required workflows.
   tests-end: