package/mpd: drop tremor select

Drop tremor select added by commit
d428dddf680b067c13ba9a08bfd502c7286cffe7

Indeed, nowadays, mpd can be built successfully even if there is no
input plugin selected.

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/mpd/Config.in

@@ -9,7 +9,6 @@ menuconfig BR2_PACKAGE_MPD
 	depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_64735 # exception_ptr
 	select BR2_PACKAGE_BOOST
 	select BR2_PACKAGE_LIBICONV if !BR2_ENABLE_LOCALE
-	select BR2_PACKAGE_MPD_TREMOR if !(BR2_PACKAGE_MPD_MAD || BR2_PACKAGE_MPD_MPG123 || BR2_PACKAGE_MPD_VORBIS || BR2_PACKAGE_MPD_WAVPACK || BR2_PACKAGE_MPD_FLAC || BR2_PACKAGE_MPD_MUSEPACK || BR2_PACKAGE_MPD_FFMPEG)
 	help
 	  MPD is a flexible, powerful, server-side application
 	  for playing music. Through plugins and libraries