chore: remove module doc comments inconsistent with codebase style

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

Author: jchrostek-dd

bottlecap/src/secrets/delegated_auth/auth_proof.rs

@@ -1,8 +1,3 @@
-//! STS `GetCallerIdentity` signing for AWS delegated authentication
-//!
-//! Generates a signed STS `GetCallerIdentity` request that proves access to AWS credentials.
-//! The proof is sent to Datadog's intake-key API to obtain a managed API key.
-
 use base64::prelude::*;
 use chrono::Utc;
 use hmac::{Hmac, Mac};

bottlecap/src/secrets/delegated_auth/client.rs

@@ -1,7 +1,3 @@
-//! Datadog intake-key API client for delegated authentication
-//!
-//! Exchanges the signed STS `GetCallerIdentity` proof for a managed API key.
-
 use datadog_fips::reqwest_adapter::create_reqwest_client_builder;
 use reqwest::header::{AUTHORIZATION, CONTENT_TYPE, HeaderMap, HeaderValue};
 use serde::Deserialize;

bottlecap/src/secrets/delegated_auth/mod.rs

@@ -1,8 +1,3 @@
-//! AWS Delegated Authentication module
-//!
-//! This module provides the ability to obtain a managed Datadog API key using
-//! AWS Lambda execution role credentials via SigV4-signed STS requests.
-
 pub mod auth_proof;
 pub mod client;