Remove HTML-to-Markdown parser and PDF generation functionality, clean up unused imports and whitespace

documentation/REFACTORING_AUDIT.md

@@ -193,7 +193,7 @@ projet/
 │   ├── utils/
 │   │   ├── __init__.py
 │   │   ├── pdf_generator.py         # _markdown_to_pdf_bytes
-│   │   ├── markdown_parser.py       # _HelpHtmlToMarkdownParser
+│   │   ├── help_renderer.py         # help.md -> HTML + markdown clean
 │   │   ├── ssh_utils.py             # find_ssh_private_key, run_ssh_command
 │   │   └── helpers.py               # Fonctions utilitaires diverses
 │   │
@@ -239,7 +239,7 @@ projet/
 | Endpoints Health | 5902-6112 | `app/routes/health.py` |
 | Endpoints Schedules | 6388-6949 | `app/routes/schedules.py` |
 | Endpoints Notifications | 6952-7022 | `app/routes/notifications.py` |
-| PDF/Markdown utils | 105-548 | `app/utils/pdf_generator.py`, `app/utils/markdown_parser.py` |
+| PDF/Markdown utils | 105-548 | `app/utils/pdf_generator.py`, `app/utils/help_renderer.py` |
 | SSH utils | 3581-3673 | `app/utils/ssh_utils.py` |
 | Startup/Shutdown | 7025-7098 | `app/__init__.py` (create_app) |
 
@@ -276,7 +276,7 @@ projet/
 ### Étape 4: Utils
 1. Créer `app/utils/__init__.py`
 2. Créer `app/utils/pdf_generator.py`
-3. Créer `app/utils/markdown_parser.py`
+3. Créer `app/utils/help_renderer.py`
 4. Créer `app/utils/ssh_utils.py`
 5. Créer `app/utils/helpers.py`
 
@@ -392,7 +392,7 @@ projet/
 │       ├── __init__.py                  # ✅
 │       ├── ssh_utils.py                 # ✅ SSH & Bootstrap
 │       ├── pdf_generator.py             # ✅ Markdown to PDF
-│       └── markdown_parser.py           # ✅ HTML to Markdown
+│       └── help_renderer.py             # ✅ help.md -> HTML + markdown clean
 ```
 
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