player_control: remove unused enum player_error values

src/player_control.c

@@ -253,12 +253,6 @@ pc_get_error_message(struct player_control *pc)
 	case PLAYER_ERROR_NOERROR:
 		return NULL;
 
-	case PLAYER_ERROR_FILENOTFOUND:
-		uri = pc_errored_song_uri(pc);
-		error = g_strdup_printf("file \"%s\" does not exist or is inaccessible", uri);
-		g_free(uri);
-		return error;
-
 	case PLAYER_ERROR_FILE:
 		uri = pc_errored_song_uri(pc);
 		error = g_strdup_printf("problems decoding \"%s\"", uri);
@@ -267,15 +261,6 @@ pc_get_error_message(struct player_control *pc)
 
 	case PLAYER_ERROR_AUDIO:
 		return g_strdup("problems opening audio device");
-
-	case PLAYER_ERROR_SYSTEM:
-		return g_strdup("system error occurred");
-
-	case PLAYER_ERROR_UNKTYPE:
-		uri = pc_errored_song_uri(pc);
-		error = g_strdup_printf("file type of \"%s\" is unknown", uri);
-		g_free(uri);
-		return error;
 	}
 
 	assert(false);

src/player_control.h

@@ -69,9 +69,6 @@ enum player_error {
 	PLAYER_ERROR_NOERROR = 0,
 	PLAYER_ERROR_FILE,
 	PLAYER_ERROR_AUDIO,
-	PLAYER_ERROR_SYSTEM,
-	PLAYER_ERROR_UNKTYPE,
-	PLAYER_ERROR_FILENOTFOUND,
 };
 
 struct player_status {

src/playlist.c

@@ -265,7 +265,7 @@ playlist_resume_playback(struct playlist *playlist, struct player_control *pc)
 		++playlist->error_count;
 
 	if ((playlist->stop_on_error && error != PLAYER_ERROR_NOERROR) ||
-	    error == PLAYER_ERROR_AUDIO || error == PLAYER_ERROR_SYSTEM ||
+	    error == PLAYER_ERROR_AUDIO ||
 	    playlist->error_count >= queue_length(&playlist->queue))
 		/* too many errors, or critical error: stop
 		   playback */