Remove redundant line from agents.mdx (#2031)

packages/web/src/content/docs/docs/agents.mdx

@@ -179,8 +179,6 @@ Provide constructive feedback without making direct changes.
 
 The markdown file name becomes the agent name. For example, `review.md` creates a `review` agent.
 
-Let's look at these configuration options in detail.
-
 ---
 
 ## Options