use only sudo for running maven test server (remove nice)

java/ql/integration-tests/java/buildless-snapshot-repository/test.py

@@ -7,7 +7,7 @@ def test(codeql, java):
     command = ["python3", "-m", "http.server", "9427", "-b", "localhost"]
     if runs_on.github_actions and runs_on.posix:
         # On GitHub Actions, we try to run the server with higher priority
-        command = ["sudo", "nice", "-n", "10"] + command
+        command = ["sudo"] + command
     repo_server_process = subprocess.Popen(
         command, cwd="repo"
     )