decommission Wallabag: remove from portmap, databases, mcp-gateway docs

Wallabag replaced by crawl4ai in paywall-bypass n8n flow.
Container, DB, MCP server, and Bifrost client all removed 2026-05-28.

services/databases.md

@@ -16,7 +16,6 @@ All application databases live on **CT 113** (`192.168.1.6:5432`) after Phase 2
 | `gitea` | gitea | 15 MB | Gitea | CT 111 `/opt/stacks/gitea/` |
 | `coder` | coder | 17 MB | Coder | CT 111 `/opt/stacks/coder/` |
 | `miniflux` | miniflux | — | Miniflux RSS | CT 104 `/opt/stacks/miniflux/` |
-| `wallabag` | wallabag | — | Wallabag | CT 104 `/opt/stacks/wallabag/` |
 
 **Not on CT 113:**
 

services/mcp-gateway.md

@@ -52,7 +52,6 @@ The legacy FastAPI DinD mcp-gateway (`mcp.nuclide.systems`) is pending decommiss
 | `time` | `http://mcp-time:8000/mcp` | |
 | `unifi` | `http://mcp-unifi:8000/mcp` | |
 | `upload_artifact` | `http://upload-artifact-mcp:8000/mcp` | S3 via Garage |
-| `wallabag` | `http://wallabag-mcp:8000/mcp` | Article archiver; save_article/get_article/search/list_recent/archive/delete |
 | `wikipedia` | `http://mcp-wikipedia-mcp:8000/mcp` | |
 | `youtube_transcript` | `http://mcp-youtube-transcript:8000/mcp` | |