android: configure will fill PKG_CONFIG_LIBDIR itself

don't make it point to a wrong location
(cherry picked from commit 56018495)
Signed-off-by: Rafaël Carré <funman@videolan.org>

extras/package/android/configure.sh

@@ -40,7 +40,6 @@ NM="${CROSS_COMPILE}nm" \
 STRIP="${CROSS_COMPILE}strip" \
 RANLIB="${CROSS_COMPILE}ranlib" \
 AR="${CROSS_COMPILE}ar" \
-PKG_CONFIG_LIBDIR="$VLC_SOURCEDIR/extras/contrib/hosts/arm-eabi/lib/pkgconfig" \
 sh $VLC_SOURCEDIR/configure --host=arm-linux-androideabi --build=x86_64-unknown-linux $EXTRA_PARAMS \
                 --enable-live555 --enable-realrtsp \
                 --enable-avformat \