Pinned only setting is removed in favor of the UI in the global search screen itself, which defaults to pinned only.
This needs more UX improvements, but I'm not really sure what it should be like right now.
(cherry picked from commit 12e7ee9d0caaa56d551908d179788fa637768397)
# Conflicts:
# app/src/main/java/eu/kanade/tachiyomi/ui/browse/migration/search/MigrateSearchScreen.kt
# app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchScreenModel.kt
efb0d003f8