code: public CompletableFuture<Revision> removeToken(Author author, String projectName, String appId) {
          requireNonNull(author, "author");
          requireNonNull(projectName, "projectName");
          requireNonNull(appId, "appId");
  
          return removeToken(projectName, author, appId, false);
      }
docs: Removes the {@link Token} of the specified {@code appId} from the specified {@code projectName}.
  It also removes every token permission belonging to {@link Token} from every {@link RepositoryMetadata}.