remove agent docs

[Adityav369]

No description provided.

[jazzberry-ai]

Bug Report

Name	Severity	Example test case	Description
Broken Agent Workflow Example	High	Visit the page /cookbooks/agent-workflows.mdx	The page cookbooks/agent-workflows.mdx describes how to build an agent workflow using Morphik, but the core agent_query function and the concept of Morphik Agent it relies on are being removed. This makes the example non-functional and misleading. The page needs to be updated to use alternative approaches or be removed entirely.

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