libsaria: Remove remaining PlaylistRenderer code

I didn't realize this was still around.  It should be removed since I
switched to a notification system instead of using the renderer.

Signed-off-by: Bryan Schumaker <bjschuma@gmail.com>

include/playlist.h

@@ -22,8 +22,7 @@ enum PlaylistFlags {
 namespace libsaria
 {
 
-	/* Forward declaration of PlaylistRenderer class */
-	class PlaylistRenderer;
+	/* Forward declaration of Track class */
 	class Track;
 
 	class Playlist {
@@ -54,7 +53,6 @@ namespace libsaria
 		protected:
 			string name;
 			list<Track *> plist;
-			PlaylistRenderer *renderer;
 
 			void pick_random();
 			void pick_sequential();
@@ -63,8 +61,6 @@ namespace libsaria
 		public:
 			Playlist(string, unsigned int);
 			virtual ~Playlist();
-			void set_renderer(PlaylistRenderer *);
-			PlaylistRenderer *get_renderer();
 
 			void push_front(Track *);
 			void push_back(Track *);

libsaria/playlist/playlist.cpp

@@ -13,7 +13,6 @@ namespace libsaria
 		number = -1;
 		flags = f;
 		length = 0;
-		renderer = NULL;
 		cur = plist.begin();
 	}
 
@@ -127,16 +126,6 @@ namespace libsaria
 		return length;
 	}
 
-	void Playlist::set_renderer(PlaylistRenderer *r)
-	{
-		renderer = r;
-	}
-
-	PlaylistRenderer *Playlist::get_renderer()
-	{
-		return renderer;
-	}
-
 	void Playlist::reset_iterator()
 	{
 		cur = plist.begin();