- remove redis msg receivers from bbb-screenshare red5 app

...pp/screenshare/messaging/redis/MeetingMessageHandler.java

...n/app/screenshare/messaging/redis/MessageDistributor.java

...tton/app/screenshare/messaging/redis/MessageReceiver.java

...p/screenshare/messaging/redis/ReceivedMessageHandler.java

...creenshare/messaging/redis/RedisPubSubMessageHandler.java

...igbluebutton/app/screenshare/ScreenShareApplication.scala

...are/app/src/main/webapp/WEB-INF/bbb-red5-redis-pubsub.xml

bbb-screenshare/app/src/main/webapp/WEB-INF/red5-web.xml