put on free runner

Signed-off-by: Matt Krick <[email protected]>

.github/workflows/style-check.yml

@@ -7,11 +7,9 @@ on:
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
-env:
-  PARABOL_BUILD_ENV_PATH: docker/images/parabol-ubi/environments/pipeline
 jobs:
   style-check:
-    runs-on: ubuntu-8cores
+    runs-on: ubuntu-latest
     permissions:
       contents: "read"
       id-token: "write"