Remove sentry_raven config

Author: MoretS

app/controllers/decidim_controller.rb

@@ -2,13 +2,4 @@
 # entry point, but you can change what controller it inherits from
 # so you can customize some methods.
 class DecidimController < ApplicationController
-  before_action :set_raven_context
-
-  private
-
-  def set_raven_context
-    return unless Rails.application.secrets.dig(:sentry, :enabled)
-    Raven.user_context({id: try(:current_user).try(:id)}.merge(session))
-    Raven.extra_context(params: params.to_unsafe_h, url: request.url)
-  end
 end