Remove empty selector when fetching the JDK in mx bisect strategy

sdk/mx.sdk/mx_bisect_strategy.py

@@ -146,7 +146,7 @@ def _fetch_jdk(self, jdk_id, paths):
  # Change directory so that fetch-jdk finds common.json and jdk-binaries.json in repo_path
  old_cwd = os.getcwd()
  os.chdir(repo_path)
- jdk_home = mx_fetchjdk.fetch_jdk(['--to', tempfile.gettempdir(), '--jdk-id', jdk_id, ''])
+ jdk_home = mx_fetchjdk.fetch_jdk(['--to', tempfile.gettempdir(), '--jdk-id', jdk_id])
  self._jdk_home = jdk_home
  os.environ['JAVA_HOME'] = jdk_home
  except (OSError, IOError) as err: