Remove XXXes which have been addressed

bin/varnishd/cache/cache_ban_build.c

@@ -353,10 +353,6 @@ BAN_Commit(struct ban_proto *bp)
 	VSC_C_main->bans++;
 	VSC_C_main->bans_added++;
 	bans_persisted_bytes += ln;
-	/*
-	 * XXX absolute update of gauges - may be inaccurate for Pool_Sumstat
-	 * race
-	 */
 	VSC_C_main->bans_persisted_bytes = bans_persisted_bytes;
 
 	if (b->flags & BANS_FLAG_OBJ)

bin/varnishd/cache/cache_director.c

@@ -364,7 +364,6 @@ do_list_json(struct cli *cli, struct director *d, void *priv)
 
 	VCLI_Out(cli, "%s", la->jsep);
 	la->jsep = ",\n";
-	// XXX admin health "probe" for the no-probe case is confusing
 	VCLI_JSON_str(cli, d->vdir->cli_name);
 	VCLI_Out(cli, ": {\n");
 	VSB_indent(cli->sb, 2);