Replace R.string.yes with R.string.ok

Android doesn't use yes/no but ok/cancel usually, so this should be done here, too

app/src/main/res/values-be/strings.xml

@@ -97,7 +97,6 @@
     <string name="playlists">Плэйлісты</string>
     <string name="tracks">Дарожкі</string>
     <string name="users">Карыстальнікі</string>
-    <string name="yes">Так</string>
     <string name="disabled">Адключана</string>
     <string name="clear">Ачысціць</string>
     <string name="best_resolution">Лепшае разрозненне</string>