VLR tests: remove weird code

Having while(0) as a body for for() cycle generate too much WTF while
looking at the code while not serving any obvious purpose. Let's just
drop it to avoid confusing developers.

Change-Id: I1f571ec319ff3231fd9acd4066e470476c3b1f78
Related: OS#2864

tests/msc_vlr/msc_vlr_tests.c

@@ -847,7 +847,7 @@ static void run_tests(int nr, const char *imsi)
 			fprintf(stderr, "(test nr %d)\n", test_nr + 1);
 
 		check_talloc(msgb_ctx, tall_bsc_ctx, 8);
-	} while(0);
+	}
 }
 
 int main(int argc, char **argv)