omit hiredis package; cleanup

bigbluebutton-html5/imports/api/meetings/server/modifiers/addMeetingToCollection.js

@@ -37,7 +37,7 @@ export function addMeetingToCollection(meetingId, name, intendedForRecording,
 
         return funct(callback);
       } else {
-        logger.error('nothing happened');
+        logger.info('the meeting already existed so no information was added');
         return callback();
       }
     }

bigbluebutton-html5/package.json

@@ -11,7 +11,6 @@
   "dependencies": {
     "classnames": "^2.2.3",
     "grunt-cli": "~1.2.0",
-    "hiredis": "^0.5.0",
     "history": "^2.1.2",
     "image-size": "~0.5.0",
     "meteor-node-stubs": "^0.2.3",