SEO: Fix broken links (flashbots#530)

* Remove references to Status Page

The project is no longer active and the repo has been deleted by the author: https://github.com/0xpanoramix?tab=repositories

The "Community Tools" page was deleted because the monitor page was the only item there

* Fix sendprivatetransaction link

* Fix link to jobs page

* Remove reference to MEV Boost tools

Author: gkoscky

docs/flashbots-auction/libraries/alchemyprovider.md

@@ -15,6 +15,6 @@ To get started:
 
 * [https://www.alchemy.com/sdk](https://www.alchemy.com/sdk)
 
-* [https://docs.alchemy.com/reference/eth-sendprivatetransaction-sdk-v3](https://docs.alchemy.com/reference/sendprivatetransaction-sdk-v3)
+* [https://docs.alchemy.com/reference/sendprivatetransaction-sdk-v3](https://docs.alchemy.com/reference/sendprivatetransaction-sdk-v3)
 
 * [https://github.com/alchemyplatform/alchemy-sdk-js](https://github.com/alchemyplatform/alchemy-sdk-js)

docs/flashbots-mev-boost/architecture-overview/specifications.md

@@ -25,4 +25,3 @@ title: MEV-Boost Specifications
 - [MEV-Boost Relay](https://github.com/flashbots/mev-boost-relay)
 - [Go Boost Utils](https://github.com/flashbots/go-boost-utils)
 - [MEV-Boost Builder](https://github.com/flashbots/boost-geth-builder)
-- [Relay Status Page ](https://0xpanoramix.github.io/flashbots-boost-status/)

docs/flashbots-mev-boost/community-tools.md

@@ -5,7 +5,7 @@ title: Join Flashbots
 ### Interested in joining Flashbots?
 If you are a self-directed individual who puts collective success above your own and are motivated by solving hard problems with asymmetric impact, you will fit right in.
 
-* [Open job positions](https://boards.greenhouse.io/flashbots) - full-time roles we're actively recruiting for.
+* [Open job positions](https://www.flashbots.net/jobs) - full-time roles we're actively recruiting for.
 * [Flashbots research fellowship](https://github.com/flashbots/mev-research/blob/main/grants.md) - we issue research grants to flashbots research proposals submitters. Find out more in our research repo.
 * Flashbots part-time contractor - become a part-time contractor in Flashbots and join one of our ongoing projects. Reach out to the team to learn more!
 * Nothing fits in the above? reach out at jobs@flashbots.net

docs/joining-flashbots.mdx

@@ -113,7 +113,6 @@ module.exports = {
           'flashbots-mev-boost/FAQ',
           'flashbots-mev-boost/glossary',
           'flashbots-mev-boost/resources',
-          'flashbots-mev-boost/community-tools',
       ],
     },
     {