code: private String formatVersion(String version) {
          if (version == null) {
              return version;
          }
          String[] split = version.split(GERRIT_VERSION_PREFIX);
          if (split.length < 2) {
              return version.trim();
          }
          return split[1].trim();
      }
docs: Removes the "gerrit version " from the start of the response from gerrit.
  @param version the response from gerrit.
  @return the input string with "gerrit version " removed.