Remove all room.usernames from client

packages/rocketchat-lib/client/MessageAction.coffee

...ocketchat-livechat/client/views/app/tabbar/visitorInfo.js

packages/rocketchat-message-pin/client/actionButton.coffee

packages/rocketchat-message-pin/client/pinMessage.coffee

packages/rocketchat-message-star/client/actionButton.coffee

packages/rocketchat-message-star/client/starMessage.coffee

packages/rocketchat-reactions/client/init.js

packages/rocketchat-reactions/client/methods/setReaction.js

packages/rocketchat-reactions/setReaction.js

packages/rocketchat-ui-message/message/message.coffee

...etchat-ui-message/message/popup/messagePopupConfig.coffee

packages/rocketchat-ui-sidenav/side-nav/chatRoomItem.coffee

packages/rocketchat-ui/views/app/room.coffee