Migrate old externs 5/x

botanjs/src/_this.js

@@ -27,7 +27,7 @@ var __const = __static_method;
 
 /*{{{ BotanEvent & EventDispatcher */
 
-/** @type {typeof BotanEvent} */
+/** @type {typeof _BotanEvent} */
 var BotanEvent;
 
 BotanEvent = function( name, data )
@@ -70,7 +70,6 @@ BotanEvent = function( name, data )
 
 /**
  * @constructor
- * @implements {EventTarget}
  */
 var EventDispatcher = function() {
 	var events = {};
@@ -245,7 +244,6 @@ var TGR_IMPORT = 0;
 // some core methods
 var sGarden = window["BotanJS"];
 
-/** @type {BotanJS} */
 var BotanJS = null;
 var __namespace = null;
 var __import = null;