chore: remove contextforge (remote SSE, no Docker image)

Switch from apt-get install nodejs npm to NodeSource setup_22.x
to avoid pulling 245MB of unnecessary build dependencies on
python:3.12-slim (Debian Trixie).

README.md

@@ -42,4 +42,3 @@ See each MCP's `README.md` for specific environment variables and tools.
 These MCPs run natively or are remote endpoints (no Docker image):
 
 - **playwright/** — Browser automation, runs better natively (needs display + browser)
-- **contextforge/** — Remote SSE gateway, no server to run locally

contextforge/README.md

@@ -1,37 +0,0 @@
-# contextforge-mcp
-
-MCP server gateway connecting to ContextForge backend agents. This is a remote SSE endpoint — no Docker image needed.
-
-Source: Self-hosted at `mcp-gateway.corentic.eu`
-
-## Configuration
-
-This MCP is a remote endpoint, not a local server. Configure in your AI client:
-
-```json
-{
-  "mcpServers": {
-    "contextforge": {
-      "type": "remote",
-      "url": "https://mcp-gateway.corentic.eu/sse",
-      "headers": {
-        "Authorization": "Bearer your_token",
-        "X-Forgejo-Token": "your_forgejo_token"
-      }
-    }
-  }
-}
-```
-
-## Environment Variables (for local config)
-
-Configure these in your environment:
-
-| Variable | Description |
-|----------|-------------|
-| `CONTEXTFORGE_BEARER_TOKEN` | JWT token for API auth |
-| `CONTEXTFORGE_FORGEJO_TOKEN` | Forgejo API token for repo operations |
-
-## Tools
-
-Dynamically registered by backend agents. Run `get_prompts` and `get_resources` after connecting to discover available capabilities.