feat: remove Conduit Matrix service

Remove all traces of the Conduit Matrix homeserver service including:
- Delete conduit-compose.yml.j2 template and conduit.yml task file
- Remove conduit from development services category
- Remove conduit Caddy reverse proxy configuration
- Remove conduit subdomain from domains.yml
- Remove conduit DNS A record from Route53
- Delete Matrix well-known files (client/server)
- Update all documentation from 25 to 24 services

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

roles/docker/README.md

@@ -1,7 +1,7 @@
 # Docker Role
 
 ## Purpose
-Deploys and manages a comprehensive self-hosted infrastructure with 22+ containerized services organized into logical categories, transforming a server into a personal cloud platform with authentication, media management, productivity tools, and development services.
+Deploys and manages a comprehensive self-hosted infrastructure with 24 containerized services organized into logical categories, transforming a server into a personal cloud platform with authentication, media management, productivity tools, and development services.
 
 ## Architecture Overview
 
@@ -28,7 +28,6 @@ Deploys and manages a comprehensive self-hosted infrastructure with 22+ containe
 ### Development (`development/`)
 - **Gitea** - Self-hosted Git with CI/CD runners
 - **Code Server** - VS Code in the browser
-- **Conduit** - Matrix homeserver for communication
 
 ### Media (`media/`)
 - **Audiobookshelf** - Audiobook and podcast server
@@ -92,8 +91,7 @@ roles/docker/
 │   ├── development/
 │   │   ├── main.yml               # Development category orchestrator
 │   │   ├── gitea.yml              # Git hosting
-│   │   ├── codeserver.yml         # VS Code server
-│   │   └── conduit.yml            # Matrix server
+│   │   └── codeserver.yml         # VS Code server
 │   ├── media/                     # Media services (7 services)
 │   ├── productivity/              # Productivity services (7 services)
 │   ├── communication/             # Communication services (2 services)