Remove lint dependency from build-and-test for testing

Author: anth-volk

.github/workflows/push.yaml

@@ -18,7 +18,6 @@ jobs:
   # ── Per-dataset build and test on Modal ─────────────────────
   build-and-test:
     runs-on: ubuntu-latest
-    needs: lint
     if: github.event.head_commit.message != 'Update package version'
     timeout-minutes: 240
     env: