disable docgen

Author: adam-singer

tool/hop_runner.dart

@@ -7,7 +7,8 @@ void main(List<String> args) {
 
   final libList = ['lib/google_oauth2_browser.dart', 'lib/google_oauth2_console.dart'];
 
-  addTask('docs', createDartDocTask(libList, linkApi: true));
+  // TODO: move to docgen, it breaks hop
+  // addTask('docs', createDartDocTask(libList, linkApi: true));
 
   addTask('analyze_libs', createAnalyzerTask(libList));