Remove update propagation

src/content/components/common/follow.js

@@ -39,9 +39,6 @@ export default class Follow {
     messages.onMessage(this.onMessage.bind(this));
   }
 
-  update() {
-  }
-
   key(key) {
     if (Object.keys(this.hints).length === 0) {
       return false;

src/content/components/common/index.js

@@ -14,21 +14,12 @@ export default class Common {
     input.onKey(key => keymapper.key(key));
 
     this.store = store;
-    this.children = [
-      follow,
-      input,
-      keymapper,
-    ];
 
     this.reloadSettings();
 
     messages.onMessage(this.onMessage.bind(this));
   }
 
-  update() {
-    this.children.forEach(c => c.update());
-  }
-
   onMessage(message) {
     switch (message.type) {
     case messages.SETTINGS_CHANGED:

src/content/components/common/input.js

@@ -28,9 +28,6 @@ export default class InputComponent {
     target.addEventListener('keyup', this.onKeyUp.bind(this));
   }
 
-  update() {
-  }
-
   onKey(cb) {
     this.onKeyListeners.push(cb);
   }

src/content/components/common/keymapper.js

@@ -7,9 +7,6 @@ export default class KeymapperComponent {
     this.store = store;
   }
 
-  update() {
-  }
-
   key(key) {
     this.store.dispatch(inputActions.keyPress(key));