Description : Sometimes, while deleting a number from the tree, it first searches for the number, then shows that that number is not found, and then deletes it.
Steps to reproduce : Open simulator under Search tree experiment and then insert 10, insert 2, insert -1, delete -1.
Expected result : Just delete -1.
Actual result : Shows that that -1 is not found and then deletes it.
Screenshot :
Description : Sometimes, while deleting a number from the tree, it first searches for the number, then shows that that number is not found, and then deletes it. Steps to reproduce : Open simulator under Search tree experiment and then insert 10, insert 2, insert -1, delete -1. Expected result : Just delete -1. Actual result : Shows that that -1 is not found and then deletes it. Screenshot :
![Screenshot (18)](https://user-images.githubusercontent.com/42439398/54489349-4be25680-48d1-11e9-8156-2e640fbdcc1e.png)