Removing unused file and code.

src/ol/event/Drag.js

@@ -53,7 +53,6 @@ ol.event.Drag.prototype.dispatchEvent = function(e) {
 ol.event.Drag.prototype.startDrag = function(e) {
     this.previousX_ = e.clientX;
     this.previousY_ = e.clientY;
-    e.type = ol.event.Drag.EventType.DRAGSTART;
     goog.base(this, 'startDrag', e);
 };
 

src/ol/event/Sequence.js

@@ -1,40 +0,0 @@
-goog.provide('ol.event.Sequence');
-
-/**
- * @constructor
- */
-ol.event.Sequence = function() {
-    
-    /**
-       @private
-       @type {Element}
-     */
-    this.element_ = null;
-    
-    /**
-     * Event types provided by this sequence.
-     * @enum {string}
-     */
-    this.eventTypes_ = {};
-
-    /**
-     * Event mappings provided by this sequence.
-     * @enum {Object}
-     */
-    this.providedEvents_ = {};
-
-};
-
-/**
-   @param {Element} element
- */
-ol.event.Sequence.prototype.setElement = function(element) {
-    this.element_ = element;
-};
-
-/**
-   @return {Object}
- */
-ol.event.Sequence.prototype.getProvidedEvents = function() {
-    return this.providedEvents_;
-};