Remove New Relic

app/controllers/application_controller.rb

@@ -15,8 +15,6 @@ class ApplicationController < ActionController::Base
   rescue_from ActionController::InvalidAuthenticityToken, with: :render_csrf_error
 
   def current_user
-    ::NewRelic::Agent.add_custom_attributes(external_user_id: session[:external_user_id],
-      session_user_id: session[:user_id])
     @current_user ||= ExternalUser.find_by(id: session[:external_user_id]) || login_from_session || login_from_other_sources || nil
   end
 

app/controllers/concerns/lti.rb

@@ -138,7 +138,6 @@ module Lti
   private :return_to_consumer
 
   def send_score(submission)
-    ::NewRelic::Agent.add_custom_attributes({score: submission.normalized_score, session: session})
     unless (0..MAXIMUM_SCORE).cover?(submission.normalized_score)
       raise Error.new("Score #{submission.normalized_score} must be between 0 and #{MAXIMUM_SCORE}!")
     end

app/controllers/exercises_controller.rb

@@ -534,8 +534,6 @@ working_time_accumulated: working_time_accumulated})
   end
 
   def transmit_lti_score
-    ::NewRelic::Agent.add_custom_attributes({submission: @submission.id,
-      normalized_score: @submission.normalized_score})
     response = send_score(@submission)
 
     if response[:status] == 'success'