merge: don't translate literal commands

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

Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

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
 };