pad import/export: Delete dead functions

src/static/js/pad_impexp.js

@@ -116,27 +116,6 @@ const padimpexp = (function () {
     }
   }
 
-  function importSuccessful(token) {
-    $.ajax(
-        {
-          type: 'post',
-          url: '/ep/pad/impexp/import2',
-          data: {
-            token,
-            padId: pad.getPadId(),
-          },
-          success: importApplicationSuccessful,
-          error: importApplicationFailed,
-          timeout: 25000,
-        });
-    addImportFrames();
-  }
-
-  function importApplicationFailed(xhr, textStatus, errorThrown) {
-    importErrorMessage('Error during conversion.');
-    importDone();
-  }
-
   // /// export
 
   function cantExport() {