Update precompile.yml

Change to ephemeral self-hosted runners

Author: acalejos

.github/workflows/precompile.yml

@@ -83,6 +83,3 @@ jobs:
         with:
           files: |
             ${{ matrix.runner == 'macos-latest' && 'cache/*x86_64*.tar.gz' || 'cache/*aarch64*.tar.gz' }}
-      - name: Cleanup # We need this since self-hosted runners are not ephemeral
-        run: |
-          make clean