Remove 'byte_level' and 'syntax_errors' from GitHub workflow

In the mutation testing workflow, the dependencies on "byte_level" and "syntax_errors" jobs have been removed. This simplifies the process, allowing mutation testing to run more efficiently.

Author: Spomky

.github/workflows/infection.yml

@@ -10,9 +10,6 @@ on:
 jobs:
   mutation_testing:
     name: "5️⃣ Mutation Testing"
-    needs:
-      - "byte_level"
-      - "syntax_errors"
     runs-on: "ubuntu-latest"
     steps:
       - name: "Set up PHP"