Remove Recaptcha default config (#2382)

GitOrigin-RevId: 07fcddc135596f30614b087411e8116abad29770

services/web/config/settings.defaults.coffee

@@ -479,11 +479,6 @@ module.exports = settings =
 		# Example:
 		#   header_extras: [{text: "Some Page", url: "http://example.com/some/page", class: "subdued"}]
 
-	recaptcha:
-		disabled:
-			invite: true
-			register: true
-
 	customisation: {}
 
 #	templates: [{