remove broken links

`useweb3` leads to a 404 and I can't find that page anymore on the site and `crypto.jobs` leads to a 500. not sure if that's just a temporary problem though

Author: MiConnell

public/content/community/get-involved/index.md

@@ -105,11 +105,9 @@ The Ethereum ecosystem is on a mission to fund public goods and impactful projec
 - [Ethereum Foundation job board (BambooHR)](https://ethereum.bamboohr.com/jobs/)
 - [JobStash](https://jobstash.xyz)
 - [Cryptocurrency Jobs](https://cryptocurrencyjobs.co/ethereum/)
-- [Crypto.jobs](https://crypto.jobs/)
 - [Careers at ConsenSys](https://consensys.net/careers/)
 - [Crypto Jobs List](https://cryptojobslist.com/ethereum-jobs)
 - [Bankless jobs board](https://pallet.xyz/list/bankless/jobs)
-- [useWeb3 Jobs](https://www.useweb3.xyz/jobs)
 - [Web3 Jobs](https://web3.career)
 - [Web3 Army](https://web3army.xyz/)
 - [Crypto Valley Jobs](https://cryptovalley.jobs/)