net-wireless/airspyhf: Use global udev flag

Signed-off-by: Eli Burch <eli.burch@burchbytes.com>

net-wireless/airspyhf/airspyhf-1.6.8.ebuild

@@ -13,7 +13,7 @@ LICENSE="BSD"
 SLOT="0"
 KEYWORDS="~amd64"
 
-IUSE="udevrules"
+IUSE="udev"
 
 DEPEND="dev-libs/libusb"
 
@@ -29,15 +29,15 @@ src_prepare(){
 
 src_configure(){
 	mycmakeargs+=(
-		-DINSTALL_UDEV_RULES=$(usex udevrules)
+		-DINSTALL_UDEV_RULES=$(usex udev)
 	)
 	cmake_src_configure
 }
 
 pkg_postinst(){
-	udev_reload
+	use udev && udev_reload
 }
 
 pkg_postrm(){
-	udev_reload
+	use udev && udev_reload
 }

net-wireless/airspyhf/metadata.xml

@@ -5,9 +5,6 @@
 		<email>eli.burch@burchbytes.com</email>
 		<name>Eli Burch</name>
 	</maintainer>
-	<use>
-		<flag name="udevrules">Install udev rules</flag>
-	</use>
 	<upstream>
 		<remote-id type="github">airspy/airspyhf</remote-id>
 	</upstream>