gqrx: remove audio backend dependencies

Now that the gnuradio gr-audio option selects an audio backend by
default, it is no longer needed to depends on BR2_PACKAGE_ALSA_LIB or
BR2_PACKAGE_PORTAUDIO in the qgrx package.

Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/gqrx/Config.in

@@ -2,13 +2,12 @@ comment "gqrx needs a toolchain w/ C++, threads, wchar"
 	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS || \
 		!BR2_USE_WCHAR
 
-comment "gqrx needs qt5, gnuradio, fftw's single precision, alsa-lib or portaudio"
+comment "gqrx needs qt5, gnuradio, fftw's single precision"
 	depends on !BR2_PACKAGE_GNURADIO || !BR2_PACKAGE_FFTW_PRECISION_SINGLE || \
-		!(BR2_PACKAGE_ALSA_LIB || BR2_PACKAGE_PORTAUDIO) || !BR2_PACKAGE_QT5
+		!BR2_PACKAGE_QT5
 
 config BR2_PACKAGE_GQRX
 	bool "gqrx"
-	depends on BR2_PACKAGE_ALSA_LIB || BR2_PACKAGE_PORTAUDIO # gr-audio
 	depends on BR2_PACKAGE_FFTW_PRECISION_SINGLE # gnuradio
 	depends on BR2_PACKAGE_GNURADIO
 	depends on BR2_PACKAGE_QT5