[GinR] No captcha as default

conf/app.ini

@@ -215,7 +215,7 @@ ENABLE_NOTIFY_MAIL = false
 ENABLE_REVERSE_PROXY_AUTHENTICATION = false
 ENABLE_REVERSE_PROXY_AUTO_REGISTRATION = false
 ; Enable captcha validation for registration
-ENABLE_CAPTCHA = true
+ENABLE_CAPTCHA = false
 
 [webhook]
 ; Types are enabled for users to use, can be "gogs", "slack", "discord", "dingtalk"