Remove URL check flash error as it is now handled on client side

ee/app/controllers/admin/geo_nodes_controller.rb

 class Admin::GeoNodesController < Admin::ApplicationController
   before_action :check_license, except: [:index, :destroy]
   before_action :load_node, only: [:edit, :update, :destroy, :repair, :toggle, :status]
-  before_action :check_insecure_nodes
 
   helper EE::GeoHelper
 
@@ -105,16 +104,6 @@ class Admin::GeoNodesController < Admin::ApplicationController
     @node = GeoNode.find(params[:id])
   end
 
-  def check_insecure_nodes
-    if has_insecure_nodes?
-      flash_now(:alert, 'You have configured Geo nodes using an insecure HTTP connection. We recommend the use of HTTPS.')
-    end
-  end
-
-  def has_insecure_nodes?
-    GeoNode.with_url_prefix('http://').exists?
-  end
-
   def flash_now(type, message)
     flash.now[type] = flash.now[type].blank? ? message : "#{flash.now[type]}<BR>#{message}".html_safe
   end