Delete the github folder from opencode and remove related functionality

opencode/.github/workflows/publish-github-action.yml

@@ -1,30 +0,0 @@
-name: publish-github-action
-
-on:
-  workflow_dispatch:
-  push:
-    tags:
-      - "github-v*.*.*"
-      - "!github-v1"
-
-concurrency: ${{ github.workflow }}-${{ github.ref }}
-
-permissions:
-  contents: write
-
-jobs:
-  publish:
-    runs-on: blacksmith-4vcpu-ubuntu-2404
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
-      - run: git fetch --force --tags
-
-      - name: Publish
-        run: |
-          git config --global user.email "opencode@sst.dev"
-          git config --global user.name "opencode"
-          ./script/publish
-        working-directory: ./github

opencode/.github/workflows/release-github-action.yml

@@ -1,29 +0,0 @@
-name: release-github-action
-
-on:
-  push:
-    branches:
-      - dev
-    paths:
-      - "github/**"
-
-concurrency: ${{ github.workflow }}-${{ github.ref }}
-
-permissions:
-  contents: write
-
-jobs:
-  release:
-    runs-on: blacksmith-4vcpu-ubuntu-2404
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - run: git fetch --force --tags
-
-      - name: Release
-        run: |
-          git config --global user.email "opencode@sst.dev"
-          git config --global user.name "opencode"
-          ./github/script/release