Git: add completion to ChangeSelectionDialog

Change-Id: I0b693ec00008b9cd39e05148acc5441fed39a196
Reviewed-by: Petar Perisin <petar.perisin@gmail.com>
Revert "Git: add completion to ChangeSelectionDialog"

Missing dependency

This reverts commit 724690132cf6d8fb812ea67e1665d7bbf7c5d290

Change-Id: Ib20b7bbd23b0a22e271006f951095d805e4639e1
Reviewed-by: Orgad Shaneh <orgads@gmail.com>