main/postmarketos-ui-plasma-mobile: remove kpeoplesink (MR 4030)

It has been dropped from Alpine due to being unmaintained and it's
dependencies not building against the latest kmime (23.04) anymore

[ci:skip-vercheck]
[ci:skip-build]

main/postmarketos-ui-plasma-mobile/APKBUILD

@@ -49,7 +49,6 @@ _pmb_recommends="
 	kde-gtk-config
 	kirigami-gallery
 	koko
-	kpeoplesink
 	kpeoplevcard
 	plasma-dialer
 	plasma-mobile-sounds