Patch2 (#10959)

* This course was in Hindi so I have added it to the Hindi list

Co-authored by: Eric Hellman <eric@hellman.net>

* Added the course by Babbar to the Hindi list

* Update free-courses-hi.md

courses/free-courses-en.md

@@ -144,7 +144,6 @@
 * [Analysis of Algorithms (CSE 373)](https://www3.cs.stonybrook.edu/~skiena/373/videos) - Steven Skiena
 * [Berkeley University CS 61B: Data Structures](http://datastructur.es/sp16/)
 * [Berkeley's CS 61B: Data Structures](https://archive.org/details/ucberkeley_webcast_QMV45tHCYNI)
-* [Binary Trees - by LoveBabbar](https://youtube.com/playlist?list=PLDzeHZWIZsTo87y1ytEAqp7wYlEP3nner) - CodeHelp - by Babbar
 * [C Programming & Data Structures](https://youtube.com/playlist?list=PLBlnK6fEyqRhX6r2uhhlubuF5QextdCSM) - Neso Academy
 * [Codechef Solutions](https://www.youtube.com/playlist?list=PLRKOqqzwh75huOam-77G1v9uHjO9WWBRX) - Endeavour Monk
 * [Complete C++ Placement DSA Course](https://www.youtube.com/playlist?list=PLDzeHZWIZsTryvtXdMr6rPh4IDexB5NIA) - CodeHelp - by Babbar

courses/free-courses-hi.md

@@ -75,6 +75,7 @@
 
 * [All Sorting algorithms and Programs](https://www.youtube.com/playlist?list=PLsFNQxKNzefK_DAUwnQwBizOmcY7aDLoY) - Saurabh Shukla
 * [Binary Search \| Interview Questions \| Coding \| Tutorials \| Algorithm](https://www.youtube.com/playlist?list=PL_z_8CaSLPWeYfhtuKHj-9MpYb6XQJ_f2) - Aditya Verma
+* [Binary Trees - by LoveBabbar](https://www.youtube.com/playlist?list=PLDzeHZWIZsTo87y1ytEAqp7wYlEP3nner) - CodeHelp - by Babbar
 * [Binary Trees - Level 1](https://www.youtube.com/playlist?list=PL-Jc9J83PIiHYxUk8dSu2_G7MR1PaGXN4) - Pepcoding
 * [Bit Manipulation - Level 2](https://youtube.com/playlist?list=PL-Jc9J83PIiFJRioti3ZV7QabwoJK6eKe) - Pepcoding
 * [Data Structures and Algorithms Course in Hindi](https://www.youtube.com/playlist?list=PLu0W_9lII9ahIappRPN0MCAgtOu3lQjQi) - CodeWithHarry