docs: huntr no longer is offering a security bounty so remove it (#8872)

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Huntr isn't offering a security bounty for autogpt at the moment so
remove it in favor of github security adviosories

### Changes 🏗️

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comments out huntr line in case they decide to offer it again in the
future

SECURITY.md

@@ -8,7 +8,7 @@ We take the security of our project seriously. If you believe you have found a s
 
 Instead, please report them via:
 - [GitHub Security Advisory](https://github.com/Significant-Gravitas/AutoGPT/security/advisories/new)
-- [Huntr.dev](https://huntr.com/repos/significant-gravitas/autogpt) - where you may be eligible for a bounty
+<!--- [Huntr.dev](https://huntr.com/repos/significant-gravitas/autogpt) - where you may be eligible for a bounty-->
 
 ### Reporting Process
 1. **Submit Report**: Use one of the above channels to submit your report