[CI][NFC] Remove inaccurate comment in linux precommit yml (#12841)

Don't need it.

Signed-off-by: Sarnie, Nick <[email protected]>

Author: sarnex

.github/workflows/sycl-linux-precommit.yml

@@ -51,8 +51,6 @@ jobs:
     name: Decide which Arc tests to run
     needs: [build, detect_changes]
     if: ${{ always() && !cancelled() && needs.build.outputs.build_conclusion == 'success' }}
-    # Github's ubuntu-* runners are slow to allocate. Use our CUDA runner since
-    # we don't use it for anything right now.
     runs-on: [Linux, build]
     timeout-minutes: 3
     outputs: