ci: Regenerate and verify the node ids file

in order to enforce congruence between it and the source file.

Furthermore drop the generated file from rustfmt ignore
as it's apparently currently formatted.

And as its the last entry, drop the file itself.

.github/workflows/ci_verify_clean_node_ids.yml

@@ -0,0 +1,19 @@
+name: CI verify cleanly generated node ids
+'on':
+  workflow_call: null
+jobs:
+  node_ids:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout (GitHub)
+        uses: actions/checkout@v4
+      - name: Install dependencies
+        run: npm install
+        working-directory: tools/schema/
+      - name: Regenerate node ids
+        run: node gen_node_ids
+        working-directory: tools/schema/
+      - name: Format generated code
+        run: rustfmt lib/src/types/node_ids.rs
+      - name: Verify generated code matches committed code
+        run: git status --porcelain

.github/workflows/main.yml

@@ -54,6 +54,9 @@ jobs:
   verify-clean-address-space:
     uses: ./.github/workflows/ci_verify_clean_address_space.yml
 
+  verify-clean-node-ids:
+    uses: ./.github/workflows/ci_verify_clean_node_ids.yml
+
   verify-clean-supported-message:
     uses: ./.github/workflows/ci_verify_clean_supported_message.yml