Remove HTML5Audio which is never used anyway

Author: Nathan Bolton

js/main.js

@@ -29,7 +29,6 @@ const $priorityScripts = [
     {"path":"js/rpg_core/","name":"ToneSprite"},
     {"path":"js/rpg_core/","name":"Stage"},
     {"path":"js/rpg_core/","name":"WebAudio"},
-    {"path":"js/rpg_core/","name":"Html5Audio"},
     {"path":"js/rpg_core/","name":"JsonEx"},
     {"path":"js/rpg_core/","name":"Decrypter"},
     {"path":"js/rpg_core/","name":"ResourceHandler"},

js/rpg_core/CacheEntry.js

@@ -6,7 +6,7 @@
  * @constructor
  * @param {ResourceManager} resource manager
  * @param {string} key, url of the resource
- * @param {string} item - Bitmap, HTML5Audio, WebAudio - whatever you want to store in the cache
+ * @param {string} item - Bitmap, WebAudio - whatever you want to store in the cache
  */
 function CacheEntry(cache, key, item) {
     this.cache = cache;

js/rpg_core/Decrypter.js

@@ -49,21 +49,6 @@ Decrypter.decryptImg = function(url, bitmap) {
     };
 };
 
-Decrypter.decryptHTML5Audio = function(url, bgm, pos) {
-    var requestFile = new XMLHttpRequest();
-    requestFile.open("GET", url);
-    requestFile.responseType = "arraybuffer";
-    requestFile.send();
-
-    requestFile.onload = function () {
-        if(this.status < Decrypter._xhrOk) {
-            var arrayBuffer = Decrypter.decryptArrayBuffer(requestFile.response);
-            var url = Decrypter.createBlobUrl(arrayBuffer);
-            AudioManager.createDecryptBuffer(url, bgm, pos);
-        }
-    };
-};
-
 Decrypter.cutArrayHeader = function(arrayBuffer, length) {
     return arrayBuffer.slice(length);
 };