Revert "Experiment: add "teacher helped" link to Prolog screen"

This reverts commit 982522b5b9dfc39c10d08129b873aadf77b7293f.

1 files changed, 0 insertions, 18 deletions

diff --git a/js/codeq/prolog.js b/js/codeq/prolog.js
index 62effd1..b0e8ebf 100644
--- a/js/codeq/prolog.js
+++ b/js/codeq/prolog.js
@@ -23,10 +23,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
         jqAllButtons = jqBtnPlan.add(jqBtnTest), // all the buttons
         prologHandler; // created when we enter the prolog state and destroyed once we leave it
 
-    // experiment: Prolog hints
-    var jqTeacherHelp = jqScreen.find('.teacher-help');
-    // end of experiment: Prolog hints
-
     var enterFun = function(problemDef, commonDef, currentSolution) {
         $('#navigation-problem-list').css('display', '');
         var navigationProlog = $("#navigation-prolog");
@@ -52,11 +48,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
                 .done();
         },
         'exit': function () {
-            // experiment: Prolog hints
-            jqTeacherHelp.find('a').off('click');
-            jqTeacherHelp.hide();
-            // end of experiment: Prolog hints
-
             jqScreen.css('display', 'none');
             if (prologHandler) prologHandler.destroy();
             prologHandler = null;
@@ -254,15 +245,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
             .done();
         });
 
-        // experiment: Prolog hints
-        jqTeacherHelp.find('a').on('click', function(e) {
-            e.preventDefault();
-            activityHandler.queueTrace({'typ': 'experiment', 'data': 'teacher help'});
-            jqTeacherHelp.hide();
-        });
-        jqTeacherHelp.show();
-        // end of experiment: Prolog hints
-
         codeq.comms.loadProblem(problemDef.id).done();
         activityHandler.queueTrace({
             'typ': 'open',