remove unnecessary code

Author: mtrezza

spec/ParseLiveQuery.spec.js

@@ -969,8 +969,6 @@ describe('ParseLiveQuery', function () {
     await user.save();
     user.set('yolo', 'bar');
     await user.save();
-    user.set('foo', 'bar');
-    await user.save();
     await user.destroy();
     await new Promise(resolve => setTimeout(resolve, 10));
     for (const key of events) {

spec/ParseUser.spec.js

@@ -4023,15 +4023,12 @@ describe('Parse.User testing', () => {
       subscription.on(key, calls[key]);
     }
     const user = await Parse.User._logInWith('facebook');
-
     user.set('foo', 'bar');
     await user.save();
     user.unset('foo');
     await user.save();
     user.set('yolo', 'bar');
     await user.save();
-    user.unset('foo');
-    await user.save();
     await user.destroy();
     await new Promise(resolve => setTimeout(resolve, 10));
     for (const key of events) {