Removed Grey Sector. Changed random music selection to always see all of them.

sources.music

@@ -7,9 +7,6 @@ through_space.ogg
 http://opengameart.org/content/railjet-qubodup-short-cut-loop
 railjet_short.ogg
 
-http://opengameart.org/content/grey-sector-8-bit
-grey_sector.ogg
-
 http://opengameart.org/content/space-dimensions-8bitretro-version
 space_dimensions.ogg
 

src/audio.cpp

@@ -101,25 +101,12 @@ void playRandomTrack()
 	if ((!engine.useMusic) || (!engine.useAudio))
 		return;
 
-	int tracks = 0;
-
+	int tracks = 3;
 	char track[][64] = {
-	"music/railjet_short.ogg", "music/grey_sector.ogg",
-	"music/space_dimensions.ogg", "music/frozen_jam.ogg"
+		"music/railjet_short.ogg", "music/space_dimensions.ogg",
+		"music/frozen_jam.ogg"
 	};
 
-	switch(currentGame.system)
-	{
-		case 0:
-		case 1:
-			tracks = 2;
-			break;
-		case 2:
-		case 3:
-			tracks = 4;
-			break;
-	}
-
 	switch(currentGame.area)
 	{
 		case 5: