build: remove deprecated node module

Author: link2xt

.github/workflows/ci.yml

@@ -45,19 +45,6 @@ jobs:
       - name: Check with only default features
         run: cargo check --all-targets
 
-  npm_constants:
-    name: Check if node constants are up to date
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          show-progress: false
-          persist-credentials: false
-      - name: Rebuild constants
-        run: npm run build:core:constants
-      - name: Check that constants are not changed
-        run: git diff --exit-code
-
   cargo_deny:
     name: cargo deny
     runs-on: ubuntu-latest

.github/workflows/node-docs.yml

@@ -176,9 +176,7 @@ To add the updates from the
 Language bindings are available for:
 
 - **C** \[[📂 source](./deltachat-ffi) | [📚 docs](https://c.delta.chat)\]
-- **Node.js** 
-  - over JSON-RPC: \[[📂 source](./deltachat-rpc-client) | [📦 npm](https://www.npmjs.com/package/@deltachat/jsonrpc-client) | [📚 docs](https://js.jsonrpc.delta.chat/)\]
-  - over CFFI[^1]: \[[📂 source](./node) | [📦 npm](https://www.npmjs.com/package/deltachat-node) | [📚 docs](https://js.delta.chat/)\]
+- **JS**: \[[📂 source](./deltachat-rpc-client) | [📦 npm](https://www.npmjs.com/package/@deltachat/jsonrpc-client) | [📚 docs](https://js.jsonrpc.delta.chat/)\]
 - **Python** \[[📂 source](./python) | [📦 pypi](https://pypi.org/project/deltachat) | [📚 docs](https://py.delta.chat)\]
 - **Go**
   - over jsonrpc: \[[📂 source](https://github.com/deltachat/deltachat-rpc-client-go/)\]