main/postmarketos-base-ui-gnome: remove fractional scaling override

Has been stablized and enabled by default in upstream GNOME 50, which is
in pmOS edge. GNOME Mobile which is on 48, had it enabled anyway.

Ref: <https://gitlab.gnome.org/GNOME/mutter/-/commit/74965cdb047df0f2159d53cb12770949924c60e9>
Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/8194>

main/postmarketos-base-ui-gnome/10_mutter-fractional-scaling.gschema.override

@@ -1,2 +0,0 @@
-[org.gnome.mutter]
-experimental-features=['scale-monitor-framebuffer']

main/postmarketos-base-ui-gnome/APKBUILD

@@ -3,7 +3,7 @@
 maintainer="Newbyte <newbyte@postmarketos.org>"
 pkgname=postmarketos-base-ui-gnome
 pkgver=10
-pkgrel=3
+pkgrel=4
 pkgdesc="Meta package for shared configuration for GNOME-based UIs"
 url="https://postmarketos.org"
 arch="noarch"
@@ -32,7 +32,6 @@ depends="
 source="
 	00_postmarketos-base-ui-gnome.gschema.override
 	10_postmarketos-green-accent.gschema.override
-	10_mutter-fractional-scaling.gschema.override
 	"
 options="!check"
 subpackages="$pkgname-openrc"
@@ -93,5 +92,4 @@ openrc() {
 sha512sums="
 39b5bb5e669756e2a308ab61b7901e76a9eff9e37c82d50bd9ff77800e72c19b580256f617a2ad0949c1746ab4e163e5ce009c134ab77f8a32f758b1b963862e  00_postmarketos-base-ui-gnome.gschema.override
 c255b0914043f09ef5cc56d50c26e9c8885af128abc3ed5494606bd304eefdeb761ed3bc2d5f86f7c3bfb16f7fc21ca1a6d954c8d21e73e7a5e7612a84a78b7c  10_postmarketos-green-accent.gschema.override
-7c73a011332305a7e811df5dca1b819b41e4cab737384ecb211e88cf6e4aa1027a75ce33163562e839847d6be006cf74d71083de4c3efc78f432355d9a6df20b  10_mutter-fractional-scaling.gschema.override
 "