chore: logging cleanup (#1196)

Update what we log to make `RUST_LOG=debug` a bit easier to work with.
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* #1167
* __->__ #1196

codex-rs/core/src/openai_tools.rs

@@ -93,7 +93,6 @@ pub(crate) fn create_tools_json_for_responses_api(
             .map(|(name, tool)| mcp_tool_to_openai_tool(name, tool)),
     );
 
-    tracing::debug!("tools_json: {}", serde_json::to_string_pretty(&tools_json)?);
     Ok(tools_json)
 }