fix(ci): make tools submodule public for CI access

Tools repo is now public so GITHUB_TOKEN can clone it.
Revert the token injection workaround since it's no longer needed.

Co-Authored-By: Kilo <kilo@kilo.ai>

.github/workflows/docker-build-push.yml

@@ -197,6 +197,11 @@ jobs:
             git fetch origin "$DISPATCH_SHA"
             git checkout "$DISPATCH_SHA"
           fi
+          if [ "$EVENT_NAME" = "repository_dispatch" ] && [ -n "${DISPATCH_SHA:-}" ]; then
+            cd "$SUBMODULE_PATH"
+            git fetch origin "$DISPATCH_SHA"
+            git checkout "$DISPATCH_SHA"
+          fi
 
       - uses: docker/login-action@v4
         with: