Remove needless annotation

src/web/app/common/scripts/channel-stream.ts

@@ -1,5 +1,3 @@
-'use strict';
-
 import Stream from './stream';
 
 /**

src/web/app/common/scripts/home-stream.ts

@@ -1,5 +1,3 @@
-'use strict';
-
 import Stream from './stream';
 import signout from './signout';
 

src/web/app/common/scripts/messaging-stream.ts

@@ -1,5 +1,3 @@
-'use strict';
-
 import Stream from './stream';
 
 /**

src/web/app/common/scripts/requests-stream.ts

@@ -1,5 +1,3 @@
-'use strict';
-
 import Stream from './stream';
 
 /**

src/web/app/common/scripts/server-stream.ts

@@ -1,5 +1,3 @@
-'use strict';
-
 import Stream from './stream';
 
 /**

src/web/app/common/scripts/stream.ts

@@ -1,5 +1,3 @@
-'use strict';
-
 import * as ReconnectingWebsocket from 'reconnecting-websocket';
 import * as riot from 'riot';
 import CONFIG from './config';