Removed all the discontinued Google competitions and renamed "Facebook" to "Meta" (#9425)

more/problem-sets-competitive-programming.md

@@ -33,9 +33,6 @@
 * [DMOJ](https://dmoj.ca)
 * [E-olymp](https://www.e-olymp.com/en/)
 * [Exercism](https://exercism.org)
-* [Facebook Hackercup](https://www.facebook.com/hackercup)
-* [Google Code Jam](https://codingcompetitions.withgoogle.com/codejam)
-* [Google Kickstart](https://codingcompetitions.withgoogle.com/kickstart)
 * [HackerEarth](https://www.hackerearth.com)
 * [Hackerrank](https://www.hackerrank.com)
 * [Internet Problem Solving Contest](http://ipsc.ksp.sk)
@@ -43,6 +40,7 @@
 * [Kattis](https://open.kattis.com)
 * [LeetCode](https://leetcode.com)
 * [LightOJ](https://lightoj.com)
+* [Meta Hackercup](https://www.facebook.com/codingcompetitions/hacker-cup/)
 * [Microcorruption](https://microcorruption.com/login)
 * [Newton School](https://my.newtonschool.co/contest/all)
 * [oj.uz](https://oj.uz)
@@ -58,7 +56,7 @@
 ### Capture the flag
 
 * [CTFlearn](https://ctflearn.com) (email address *requested*)
-* [Google Ctf](https://capturetheflag.withgoogle.com) (email address *requested*)
+* [Google CTF](https://capturetheflag.withgoogle.com) (email address *requested*)
 * [Hacker101](https://ctf.hacker101.com) (email address *requested*)
 * [Hackthebox](https://www.hackthebox.eu) (email address *requested*)
 * [HackThisSite](https://www.hackthissite.org) (email address *requested*)
@@ -110,7 +108,6 @@
 * [Edabit](https://edabit.com)
 * [Exercism](http://exercism.io)
 * [Geeks For Geeks](https://practice.geeksforgeeks.org)
-* [Google Code Jam - Practise](https://codingcompetitions.withgoogle.com/codejam/archive)
 * [Hacker.org](http://www.hacker.org)
 * [HackerEarth](https://www.hackerearth.com)
 * [HDU Online Judge](http://acm.hdu.edu.cn)