chore: revert "chore(ci): test on pr link check"

This reverts commit 06c94d9.

Author: PoisonPhang

site/src/content/docs/docs/joining-testnet/getting-tokens.mdx

@@ -50,7 +50,7 @@ Take note of your `address` here and continue to [Receiving Testnet Tokens](#rec
 
 ## Receiving Testnet Tokens
 
-Those interested can submit their Union address to the Subo Survey Bot on [our Discord](https://dog.discord.union.build) to have a chance of being selected as a validator and receiving tokens from the Union team.
+Those interested can submit their Union address to the Subo Survey Bot on [our Discord](https://discord.union.build) to have a chance of being selected as a validator and receiving tokens from the Union team.
 
 :::note