gui-wm/tinywl: wayland protocols files are searched in ESYSROOT

wayland-protocols provides headers here
remove also wayland-scanner, no longer required since 0.20

Signed-off-by: Nicolas PARLANT <nicolas.parlant@parhuet.fr>
Part-of: https://codeberg.org/gentoo/gentoo/pulls/764
Signed-off-by: Arthur Zamarin <arthurzam@gentoo.org>

gui-wm/tinywl/tinywl-9999.ebuild

@@ -21,20 +21,20 @@ fi
 
 LICENSE="CC0-1.0"
 SLOT="0"
-DEPEND="
+COMMON_DEPEND="
 	dev-libs/wayland
 	x11-libs/libxkbcommon
 	=gui-libs/wlroots-$(ver_cut 1-2)*:=
 "
+DEPEND="
+	${COMMON_DEPEND}
+	dev-libs/wayland-protocols
+"
 RDEPEND="
-	${DEPEND}
+	${COMMON_DEPEND}
 	!gui-libs/wlroots[tinywl(-)]
 "
-BDEPEND="
-	dev-libs/wayland-protocols
-	dev-util/wayland-scanner
-	virtual/pkgconfig
-"
+BDEPEND="virtual/pkgconfig"
 
 if [[ ${PV} != 9999 ]]; then
 	BDEPEND+=" verify-sig? ( sec-keys/openpgp-keys-emersion )"