modules/*: drop til_setup_t.free_func() NULL setup checks

Trivial cleanup.  These are unnecessary nowadays since
til_setup_free() won't invoke the free_func() on a NULL setup,
and everything uses til_setup_free() to free a til_setup_t.

1 files changed, 7 insertions, 9 deletions

diff --git a/src/modules/rkt/rkt.c b/src/modules/rkt/rkt.c
index 2e8e696..8790f53 100644
--- a/src/modules/rkt/rkt.c
+++ b/src/modules/rkt/rkt.c
@@ -387,15 +387,13 @@ static void rkt_setup_free(til_setup_t *setup)
 {
 	rkt_setup_t	*s = (rkt_setup_t *)setup;
 
-	if (s) {
-		for (size_t i = 0; i < s->n_scenes; i++)
-			til_setup_free(s->scenes[i].setup);
-
-		free((void *)s->base);
-		free((void *)s->host);
-		free((void *)s->scener_address);
-		free(setup);
-	}
+	for (size_t i = 0; i < s->n_scenes; i++)
+		til_setup_free(s->scenes[i].setup);
+
+	free((void *)s->base);
+	free((void *)s->host);
+	free((void *)s->scener_address);
+	free(setup);
 }