gui-apps/ReGreet: drop 9999 patch (fix upstream)

* https://github.com/rharish101/ReGreet/pull/54#event-11529600620
* that was fast :)

Signed-off-by: Gonçalo Negrier Duarte <gonegrier.duarte@gmail.com>

gui-apps/ReGreet/ReGreet-9999.ebuild

@@ -25,17 +25,11 @@ BDEPEND="
 "
 IUSE="gtk4 logs"
 
-PATCHES="${FILESDIR}/ReGreet-9999-cargo-lock-fix.diff"
-
 src_unpack() {
 	git-r3_src_unpack
 	cargo_live_src_unpack
 }
 
-src_prepare() {
-	default
-}
-
 src_configure() {
 	if use gtk4; then
 		local myfeatures=(