Qt4 - Remove unnecessary files from Modules.am

modules/gui/qt4/Modules.am

@@ -23,7 +23,6 @@ TOUI = 	\
 	ui/sprefs_audio \
 	ui/sprefs_input \
 	ui/sprefs_interface \
-	ui/sprefs_playlist \
 	ui/sprefs_subtitles \
 	ui/sprefs_video \
 	ui/sprefs_hotkeys \
@@ -185,7 +184,6 @@ EXTRA_DIST += \
 	ui/sprefs_audio.ui \
 	ui/sprefs_input.ui \
 	ui/sprefs_interface.ui \
-	ui/sprefs_playlist.ui \
 	ui/sprefs_hotkeys.ui \
 	ui/sprefs_subtitles.ui \
 	ui/sprefs_video.ui \