chore: remove CLA contribution gate

.github/workflows/cla.yml

@@ -1,36 +0,0 @@
-# CLA Assistant Lite — gates every PR on a CLA signature.
-# Install at: .github/workflows/cla.yml in the OpenMontage repo.
-# Signatures are stored in the repo on the 'cla-signatures' branch (no external service).
-name: "CLA Assistant"
-on:
-  issue_comment:
-    types: [created]
-  pull_request_target:
-    types: [opened, closed, synchronize]
-
-permissions:
-  actions: write
-  contents: write
-  pull-requests: write
-  statuses: write
-
-jobs:
-  CLAAssistant:
-    runs-on: ubuntu-latest
-    steps:
-      - name: "CLA Assistant"
-        if: (github.event.comment.body == 'recheck' || github.event.comment.body == 'I have read the CLA Document and I hereby sign the CLA') || github.event_name == 'pull_request_target'
-        uses: contributor-assistant/github-action@v2.6.1
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          path-to-signatures: ".github/cla-signatures/signatures.json"
-          path-to-document: "https://github.com/calesthio/OpenMontage/blob/main/CLA.md"
-          branch: "cla-signatures"
-          allowlist: "calesthio,dependabot[bot],*[bot]"
-          custom-notsigned-prcomment: >
-            Thanks for the contribution! Before we can merge, please read our
-            [Contributor License Agreement](https://github.com/calesthio/OpenMontage/blob/main/CLA.md)
-            and sign by commenting the sentence below. The engine stays open source forever —
-            the CLA simply lets the project also offer commercial licensing as it grows.
-          custom-pr-sign-comment: "I have read the CLA Document and I hereby sign the CLA"