gui-apps/hyprshot: improve ebuild a bit

- improve DESCRIPTION
- remove USE flags & add optfeatures
  - they were controlling runtime dependencies, which is incorrect

Signed-off-by: Filip Kobierski <fkobi@pm.me>

gui-apps/hyprshot/hyprshot-1.3.0-r1.ebuild

@@ -3,18 +3,17 @@
 
 EAPI=8
 
-DESCRIPTION="Hyprshot is a utility to easily take screenshot in Hyprland using your mouse"
+inherit optfeature
+
+DESCRIPTION="Utility to easily take screenshots in Hyprland using your mouse"
 HOMEPAGE="https://github.com/Gustash/Hyprshot/"
 SRC_URI="https://github.com/Gustash/Hyprshot/archive/refs/tags/${PV}.tar.gz -> ${P}.tar.gz"
-
 S="${WORKDIR}"/Hyprshot-${PV}
 
 LICENSE="GPL-3"
 SLOT="0"
 KEYWORDS="~amd64"
 
-IUSE="+xdg +freeze"
-
 RDEPEND="
 	app-misc/jq
 	gui-apps/grim
@@ -22,11 +21,14 @@ RDEPEND="
 	gui-apps/wl-clipboard
 	gui-wm/hyprland
 	x11-libs/libnotify
-	xdg? ( x11-misc/xdg-user-dirs )
-	freeze? ( gui-apps/hyprpicker )
 "
 
 src_install() {
 	dobin hyprshot
 	einstalldocs
 }
+
+pkg_postinst() {
+	optfeature "Screen freezing with --freeze" gui-apps/hyprpicker
+	optfeature "$XDG_PICTURES_DIR detection" x11-misc/xdg-user-dirs
+}