Accept unsigned TLS certs for SSO and outgoing hooks, also fix delete hooks bug

api/webhook.go

@@ -238,7 +238,7 @@ func getOutgoingHooks(c *Context, w http.ResponseWriter, r *http.Request) {
 }
 
 func deleteOutgoingHook(c *Context, w http.ResponseWriter, r *http.Request) {
-	if !utils.Cfg.ServiceSettings.EnableIncomingWebhooks {
+	if !utils.Cfg.ServiceSettings.EnableOutgoingWebhooks {
 		c.Err = model.NewLocAppError("deleteOutgoingHook", "api.webhook.delete_outgoing.disabled.app_error", nil, "")
 		c.Err.StatusCode = http.StatusNotImplemented
 		return