docs: fix mdx comment issue (#382)

Author: benbrandt

docs/rfds/auth-methods.mdx

@@ -123,8 +123,6 @@ There is also an alternative to adding a separate `elicitation` capability, whic
 
 ## Revision history
 
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 There was a part about elicitations https://github.com/agentclientprotocol/agent-client-protocol/blob/939ef116a1b14016e4e3808b8764237250afa253/docs/rfds/auth.mdx removed it for now, will move to a separate rfd
 
 - 2026-01-14: Updates based on Core Maintainer discussion