search-bar: shorten labels to just Next & Previous
search-bar: shorten labels to just Next & Previous

The verb, "Find", is already present on the left of the entry.

Signed-off-by: Jonny Lamb <54cd04502facfcf96b325c60af9b1611ee761860@gnome.org>

GNOME/telepathy-account-widgets,GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets,Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets