Remove placeholders

Author: zach-capalbo

src/components/hp-mixed-reality-controls.js

@@ -10,9 +10,7 @@ var onButtonEvent = trackedControlsUtils.onButtonEvent;
 // See Profiles Registry:
 // https://github.com/immersive-web/webxr-input-profiles/tree/master/packages/registry
 // TODO: Add a more robust system for deriving gamepad name.
-var GAMEPAD_ID_PREFIX = 'hp';
-var GAMEPAD_ID_SUFFIX = '-mixed-reality';
-var GAMEPAD_ID_COMPOSITE = GAMEPAD_ID_PREFIX + GAMEPAD_ID_SUFFIX;
+var GAMEPAD_ID_COMPOSITE = 'hp-mixed-reality';
 
 var HP_MIXEDL_REALITY_MODEL_GLB_BASE_URL = 'https://cdn.aframe.io/controllers/hp/mixed-reality/';
 
@@ -182,10 +180,5 @@ module.exports.Component = registerComponent('hp-mixed-reality-controls', {
 
   onAxisMoved: function (evt) {
     emitIfAxesChanged(this, this.mapping.axes, evt);
-  },
-
-  updateModel: function (buttonName, evtName) {},
-
-  setButtonColor: function (buttonName, color) {}
-
+  }
 });