Fix Rubocop offenses

Author: MrSerth

app/helpers/application_helper.rb

@@ -63,9 +63,9 @@ def render_markdown(markdown)
     ).to_html.strip
   end
 
-  def row(options = {}, &block)
+  def row(options = {}, &)
     tag.div(class: 'attribute-row row') do
-      label_column(options[:label]) + value_column(options[:value], &block)
+      label_column(options[:label]) + value_column(options[:value], &)
     end
   end
 

app/models/submission.rb

@@ -168,11 +168,11 @@ def calculate_score(requesting_user)
 
   # @raise [Runner::Error] if the code could not be run due to a failure with the runner.
   #                        See the specific type and message for more details.
-  def run(file, &block)
+  def run(file, &)
     run_command = command_for execution_environment.run_command, file.filepath
     durations = {}
     prepared_runner do |runner, waiting_duration|
-      durations[:execution_duration] = runner.attach_to_execution(run_command, exclusive: false, &block)
+      durations[:execution_duration] = runner.attach_to_execution(run_command, exclusive: false, &)
       durations[:waiting_duration] = waiting_duration
     rescue Runner::Error => e
       e.waiting_duration = waiting_duration