Remove combined_open_ended XModule JS code (ORA1)

common/lib/xmodule/xmodule/js/src/peergrading/peer_grading.coffee

-# This is a simple class that just hides the error container
-# and message container when they are empty
-# Can (and should be) expanded upon when our problem list 
-# becomes more sophisticated
-class @PeerGrading
-
-  peer_grading_sel: '.peer-grading'
-  peer_grading_container_sel: '.peer-grading-container'
-  error_container_sel: '.error-container'
-  message_container_sel: '.message-container'
-  problem_button_sel: '.problem-button'
-  problem_list_sel: '.problem-list'
-  progress_bar_sel: '.progress-bar'
-
-  constructor: (element) ->
-    @el = element
-    @peer_grading_container = @$(@peer_grading_sel)
-    @use_single_location = @peer_grading_container.data('use-single-location')
-    @peer_grading_outer_container = @$(@peer_grading_container_sel)
-    @ajax_url = @peer_grading_container.data('ajax-url')
-
-    if @use_single_location.toLowerCase() == "true"
-      #If the peer grading element is linked to a single location, then activate the backend for that location
-      @activate_problem()
-    else
-      #Otherwise, activate the panel view.
-      @error_container = @$(@error_container_sel)
-      @error_container.toggle(not @error_container.is(':empty'))
-
-      @message_container = @$(@message_container_sel)
-      @message_container.toggle(not @message_container.is(':empty'))
-
-      @problem_button = @$(@problem_button_sel)
-      @problem_button.click @show_results
-
-      @problem_list = @$(@problem_list_sel)
-      @construct_progress_bar()
-
-  # locally scoped jquery.
-  $: (selector) ->
-    $(selector, @el)
-
-  construct_progress_bar: () =>
-    problems = @problem_list.find('tr').next()
-    problems.each( (index, element) =>
-      problem = $(element)
-      progress_bar = problem.find(@progress_bar_sel)
-      bar_value = parseInt(problem.data('graded'))
-      bar_max = parseInt(problem.data('required')) + bar_value
-      progress_bar.progressbar({value: bar_value, max: bar_max})
-    )
-
-  show_results: (event) =>
-    location_to_fetch = $(event.target).data('location')
-    data = {'location' : location_to_fetch}
-    $.postWithPrefix "#{@ajax_url}problem", data, (response) =>
-      if response.success
-        @peer_grading_outer_container.after(response.html).remove()
-        backend = new PeerGradingProblemBackend(@ajax_url, false)
-        new PeerGradingProblem(backend, @el)
-      else
-        @gentle_alert response.error
-
-  activate_problem: () =>
-    backend = new PeerGradingProblemBackend(@ajax_url, false)
-    new PeerGradingProblem(backend, @el)
\ No newline at end of file