Removes Discourse links

[rafaelp]

Description

• [x ] Removes all links from Discourse because it is not been used anymore.

Changes 🏗

• Links from Discourse was changed to Discord's one

Deletions ⚰️

• Removed discourse icons

[CLAassistant]

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[rdig]

Thank you for your contribution! 💯

Sorry this took so long to get to, but the website is low priority right now.

[rdig]

I will merge this in, and it will make it into production next time we do a new website deployment.

Thank you again!