Fix versioning and duped codes

Author: Raltyro

flixel/FlxG.hx

@@ -52,7 +52,6 @@ import flixel.input.FlxGyroscope;
 #if FLX_POINTER_INPUT
 import flixel.input.FlxSwipe;
 #end
-
 #if html5
 import flixel.system.frontEnds.HTML5FrontEnd;
 #end
@@ -104,7 +103,7 @@ class FlxG
 	 * The HaxeFlixel version, in semantic versioning syntax. Use `Std.string()`
 	 * on it to get a `String` formatted like this: `"HaxeFlixel MAJOR.MINOR.PATCH-COMMIT_SHA"`.
 	 */
-	public static final VERSION = new FlxVersion(6, 1, 1);
+	public static final VERSION = new FlxVersion(6, 1, 2);
 
 	/**
 	 * Internal tracker for game object.

flixel/FlxGame.hx

@@ -591,11 +591,6 @@ class FlxGame extends Sprite
 		// Destroy the old state (if there is an old state)
 		if (_state != null)
 			_state.destroy();
-		
-		// sound datas too.
-		#if FLX_SOUND_SYSTEM
-		FlxG.sound.clearCache();
-		#end
 
 		// sound datas too.
 		#if FLX_SOUND_SYSTEM