[Mobile] Remove obsolete test cases

...for functionality that has been moved out of TreeNodeController.

platform/commonUI/general/test/controllers/TreeNodeControllerSpec.js

@@ -196,17 +196,6 @@ define(
                 expect(controller.isSelected()).toBeFalsy();
 
             });
-            
-            it("check if tree node is in a mobile device", function () {
-                if (controller) {
-                    controller.checkMobile();
-                }
-            });
-            
-            it("allows a set object to emit select-obj", function () {
-                controller.setObject(mockNgModel, mockDomainObject);
-                expect(mockScope.$emit).toHaveBeenCalledWith('select-obj');
-            });
         });
     }
 );