remove default messages

...luebutton-html5/imports/ui/components/about/component.jsx

...mports/ui/components/actions-bar/audio-menu/component.jsx

...ts/ui/components/breakout-join-confirmation/component.jsx

...ml5/imports/ui/components/chat/message-form/component.jsx

...ml5/imports/ui/components/chat/message-list/component.jsx

...button-html5/imports/ui/components/dropdown/component.jsx

...on-html5/imports/ui/components/error-screen/component.jsx

...5/imports/ui/components/logout-confirmation/component.jsx

...rts/ui/components/nav-bar/settings-dropdown/component.jsx

...orts/ui/components/user-list/user-list-item/component.jsx