docs: remove duplicate H1 where frontmatter title already sets it

docs/help/debugging.md

@@ -7,8 +7,6 @@ read_when:
 title: "Debugging"
 ---
 
-# Debugging
-
 This page covers debugging helpers for streaming output, especially when a
 provider mixes reasoning into normal text.
 

docs/help/environment.md

@@ -7,8 +7,6 @@ read_when:
 title: "Environment Variables"
 ---
 
-# Environment variables
-
 OpenClaw pulls environment variables from multiple sources. The rule is **never override existing values**.
 
 ## Precedence (highest → lowest)

docs/help/faq.md

@@ -6,8 +6,6 @@ read_when:
 title: "FAQ"
 ---
 
-# FAQ
-
 Quick answers plus deeper troubleshooting for real-world setups (local dev, VPS, multi-agent, OAuth/API keys, model failover). For runtime diagnostics, see [Troubleshooting](/gateway/troubleshooting). For the full config reference, see [Configuration](/gateway/configuration).
 
 ## First 60 seconds if something is broken

docs/help/gpt54-codex-agentic-parity-maintainers.md

@@ -6,8 +6,6 @@ read_when:
   - Maintaining the six-contract agentic architecture behind the parity program
 ---
 
-# GPT-5.4 / Codex Parity Maintainer Notes
-
 This note explains how to review the GPT-5.4 / Codex parity program as four merge units without losing the original six-contract architecture.
 
 ## Merge units

docs/help/index.md

@@ -6,8 +6,6 @@ read_when:
 title: "Help"
 ---
 
-# Help
-
 If you want a quick “get unstuck” flow, start here:
 
 - **Troubleshooting:** [Start here](/help/troubleshooting)

docs/help/scripts.md

@@ -6,8 +6,6 @@ read_when:
 title: "Scripts"
 ---
 
-# Scripts
-
 The `scripts/` directory contains helper scripts for local workflows and ops tasks.
 Use these when a task is clearly tied to a script; otherwise prefer the CLI.