Uneeded returns are unneeded

bin/varnishd/cache/cache_obj.c

@@ -340,7 +340,6 @@ ObjTrimStore(struct worker *wrk, struct objcore *oc)
 
 	if (om->objtrimstore != NULL)
 		om->objtrimstore(wrk, oc);
-	return;
 }
 
 /*====================================================================

bin/varnishd/http1/cache_http1_fsm.c

@@ -259,8 +259,7 @@ http1_abort(struct req *req, unsigned status)
 {
 	AN(req->doclose);
 	assert(status >= 400);
-	(void) http1_minimal_response(req, status);
-	return;
+	(void)http1_minimal_response(req, status);
 }
 
 static int

lib/libvmod_directors/shard_cfg.c

@@ -411,7 +411,6 @@ shardcfg_backend_add(struct backend_reconfig *re,
 
 	re->shardd->n_backend++;
 	shardcfg_backend_copyin(&bb[i], b);
-	return;
 }
 
 static void