Updated broken links, Removed unavailable and other language links from Bangla resource list (#11301)

* Added new flask course

* Removed an unavailable WordPress playlist

Removed this link because this playlist is not available
Playlist title: WordPress Bangla Tutorial Course for beginner to advanced level
Link: https://www.youtube.com/playlist?list=PLeCz-UdZ0uzQVPdQN-mWnz8896BdYMqAf

* Removed an unavailable Python Resources and Updated Laravel playlist link

This is a Nepali language video listed in Bangla resource list: https://www.youtube.com/playlist?list=PLmZYUigljiyc-tf7oMmM-s832ibhGxTpT) - Study Mart

This playlist is unavailable:
https://www.youtube.com/playlist?list=PL_XxuZqN0xVCH8fRfZ8sUuKEQQYIFMjtJ) - Stack Learner

Updated this playlist: (old link)
Restapi Bangla tutorial \| Laravel & Lumen Api - development(https://www.youtube.com/playlist?list=PLbC4KRSNcMnoQONzuNtFlhEzegTYadoBY) - Learn Hunter

* issue resolved

* Truncated Laravel long course titile

* Escaped pipe character ( | ) in Laravel course title.

courses/free-courses-bn.md

@@ -289,7 +289,7 @@
 
 #### Laravel
 
-* [Restapi Bangla tutorial \| Laravel & Lumen Api development](https://www.youtube.com/playlist?list=PLbC4KRSNcMnoQONzuNtFlhEzegTYadoBY) - Learn Hunter
+* [laravel 10 bangla tutorial latest version \| laravel basic to advanced from official documentation](https://www.youtube.com/playlist?list=PLbC4KRSNcMnrY78JyoI8c0pk-reuSw8ff) - Learn Hunter
 
 
 ### Programming paradigms
@@ -303,8 +303,7 @@
 ### Python
 
 * [Bangla Python Tutorial for Beginners](https://www.youtube.com/playlist?list=PLlBKlxyCgmsCYJLq9qc5QzaU-oBFJN79B) - Niamul Hasan (StartBit)
-* [Python All You Need To Know](https://www.youtube.com/playlist?list=PL_XxuZqN0xVCH8fRfZ8sUuKEQQYIFMjtJ) - Stack Learner
+* [Python All You Need to Know / stack learner](https://www.youtube.com/playlist?list=PL3-qJK8D7YirnPBwmPNRyczdVOEwJbtLW) - Stack Learner
-* [Python Bangla Tutorial & Data Science Full Course](https://www.youtube.com/playlist?list=PLmZYUigljiyc-tf7oMmM-s832ibhGxTpT) - Study Mart
 * [Python Bangla Tutorial 2023](https://www.youtube.com/playlist?list=PLNMnAEqLBwmpR8JDBOEl0jrzmH1vPnO7v) - Hablu Programmer
 * [Python Bangla Tutorials for Beginners](https://www.youtube.com/playlist?list=PLgH5QX0i9K3rz5XqMsTk41_j15_6682BN) - Anisul Islam
 * [Python For Beginners - Bangla Tutorials](https://www.youtube.com/playlist?list=PLvr0Ht-XkB_0V-mjAYlfgk-3VRmFarlzC) - Learn With Tawhid
@@ -355,7 +354,6 @@
 ### WordPress
 
 * [WordPress Bangla Tutorial](https://www.youtube.com/playlist?list=PLm64fbD5Onxti7DiUkX3UX3P2tuiEw30E) - Moshiur
-* [Wordpress Bangla Tutorial Course for beginner to advanced level](https://www.youtube.com/playlist?list=PLeCz-UdZ0uzQVPdQN-mWnz8896BdYMqAf) - Freelancer Mannan
 * [WordPress Customization Bangla Tutorial](https://www.youtube.com/playlist?list=PLbC4KRSNcMno7NzhTgGhoZtRjLiHUo8m4) - Learn Hunter
 * [WordPress Plugin Development](https://www.youtube.com/playlist?list=PLSNRR4BKcowCkeAxfdtTsLqwR0LJYwDaz) - Procoder BD
 * [WordPress Theme Development Tutorial Bangla ](https://www.youtube.com/playlist?list=PLSNRR4BKcowD6A-U_ll9ayJWqOEz3XD8l) - Procoder BD