Moves redirect_timestamp_spam to AppController

app/controllers/application_controller.rb

@@ -115,4 +115,7 @@ class ApplicationController < ActionController::Base
       end
     end
 
+    def redirect_timestamp_spam
+      redirect_to root_path, notice: InvisibleCaptcha.timestamp_error_message
+    end
 end

app/controllers/debates_controller.rb

@@ -54,8 +54,4 @@ class DebatesController < ApplicationController
       Debate
     end
 
-    def redirect_timestamp_spam
-      redirect_to root_path, notice: InvisibleCaptcha.timestamp_error_message
-    end
-
 end

app/controllers/spending_proposals_controller.rb

@@ -72,8 +72,4 @@ class SpendingProposalsController < ApplicationController
       target
     end
 
-    def redirect_timestamp_spam
-      redirect_to root_path, notice: InvisibleCaptcha.timestamp_error_message
-    end
-
 end