merge: don't translate literal commands

These strings have not been modified in any translation, nor should they
be.

Signed-off-by: Alex Henrie <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: alexhenrie

builtin/merge.c

@@ -56,8 +56,8 @@ struct strategy {
 
 static const char * const builtin_merge_usage[] = {
 	N_("git merge [<options>] [<commit>...]"),
-	N_("git merge --abort"),
-	N_("git merge --continue"),
+	"git merge --abort",
+	"git merge --continue",
 	NULL
 };