*/*: update for slotted Rust

guru version of this commit:
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=01ba4dc61965ef7658a24728841c04c9a1ce4871

Closes: https://bugs.gentoo.org/943170
Closes: https://bugs.gentoo.org/943223
Closes: #260
Signed-off-by: Takuya Wakazono <pastalian46@gmail.com>

gui-apps/ReGreet/ReGreet-0.1.1-r10.ebuild

@@ -1,4 +1,4 @@
-# Copyright 2023 Gentoo Authors
+# Copyright 2023-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -231,9 +231,6 @@ RDEPEND="
 	x11-libs/gdk-pixbuf
 	x11-libs/pango
 "
-BDEPEND="
-	virtual/rust
-"
 IUSE="systemd openrc"
 
 PATCHES="${FILESDIR}/ReGreet-0.1.1-cargo-lock-fix.diff"

gui-apps/ReGreet/ReGreet-9999.ebuild

@@ -1,4 +1,4 @@
-# Copyright 2023 Gentoo Authors
+# Copyright 2023-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -33,9 +33,6 @@ RDEPEND="
 	x11-libs/gdk-pixbuf
 	x11-libs/pango
 "
-BDEPEND="
-	virtual/rust
-"
 IUSE="systemd openrc"
 
 QA_FLAGS_IGNORED="/usr/bin/regreet"