AlgorithmsDataStructures update (zero-to-mastery#820)

* Add @TimSorrow

* Delete outdated reference

Co-authored-by: Sophia Brandt <16630701+sophiabrandt@users.noreply.github.com>

AlgorithmsDataStructures.md

@@ -6,8 +6,6 @@
 
 - [Abdul Bari: YouTubeChannel for Algorithms](https://www.youtube.com/watch?v=0IAPZzGSbME&list=PLDN4rrl48XKpZkf03iYFl-O29szjTrs_O&index=2&t=0s)
 
-- [Data Structures and algorithms](https://www.youtube.com/watch?v=lxja8wBwN0k&list=PLKKfKV1b9e8ps6dD3QA5KFfHdiWj9cB1s)
-
 - [Data Structures and algorithms Course](https://www.youtube.com/playlist?list=PLmGElG-9wxc9Us6IK6Qy-KHlG_F3IS6Q9)
 
 - [Khan Academy](https://www.khanacademy.org/computing/computer-science/algorithms)

CONTRIBUTORS.md

@@ -237,5 +237,6 @@ This is a list showing the GitHub usernames of all who have contributed to this
 - [@joeTHAgoat](https://github.com/joeTHAgoat)
 - [@kenhorlador](https://github.com/kenhorlador)
 - [@parthpatel6347](https://github.com/parthpatel6347)
+- [@TimSorrow](https://github.com/TimSorrow)
 - [@Dinesh-Khanal](https://github.com/Dinesh-Khanal)
 - [@gcincilla](https://github.com/gcincilla)