Apply manual rubocop fixes

app/controllers/concerns/lti.rb

@@ -60,11 +60,9 @@ module Lti
     if provider.roles.present?
       provider.roles.each do |role|
         case role.downcase
-          when 'administrator'
+          when 'administrator', 'instructor'
             # We don't want anyone to get admin privileges through LTI
             result = 'teacher' if result == 'learner'
-          when 'instructor'
-            result = 'teacher' if result == 'learner'
           else # 'learner'
             next
         end
@@ -172,8 +170,7 @@ module Lti
         normalized_lit_score *= 0.0
       end
       response = provider.post_replace_result!(normalized_lit_score)
-      {code: response.response_code, message: response.post_response.body, status: response.code_major,
-score_sent: normalized_lit_score}
+      {code: response.response_code, message: response.post_response.body, status: response.code_major, score_sent: normalized_lit_score}
     else
       {status: 'unsupported'}
     end

app/controllers/concerns/remote_evaluation_parameters.rb

@@ -5,8 +5,7 @@ module RemoteEvaluationParameters
 
   def remote_evaluation_params
     if params[:remote_evaluation].present?
-      remote_evaluation_params = params[:remote_evaluation].permit(:validation_token,
-        files_attributes: file_attributes)
+      params[:remote_evaluation].permit(:validation_token, files_attributes: file_attributes)
     end
   end
   private :remote_evaluation_params

app/controllers/concerns/submission_scoring.rb

@@ -81,7 +81,7 @@ module SubmissionScoring
       end
     end
     submission.update(score: score)
-    if submission.normalized_score == 1.0
+    if submission.normalized_score.to_d == 1.0.to_d
       Thread.new do
         RequestForComment.where(exercise_id: submission.exercise_id, user_id: submission.user_id,
 user_type: submission.user_type).each do |rfc|