Remove dotnet-publish-package (#4494)

Co-authored-by: Ryan Sweet <rysweet@microsoft.com>

.github/workflows/dotnet-publish-packages.yml

@@ -1,26 +0,0 @@
-name: '[AutoGen nuget] Publish all packages'
-
-on:
-   push:
-     paths:
-     - 'dotnet/src/**'
-     - 'protos/**'
-   workflow_dispatch:
- 
-permissions:
-    id-token: write
-    contents: read
-jobs:
-    init:
-      runs-on: ubuntu-latest
-      outputs:
-        version_suffix: ${{ steps.set_version_suffix.outputs.VERSION_SUFFIX }}
-        version_prefix: '0.0.1'
-      steps:
-        - name: Set version suffix
-          id: set_version_suffix
-          run: echo "VERSION_SUFFIX=$(date +%Y%m%d%H%M%S)" >> "$GITHUB_OUTPUT"
-    build-test-packages:
-      uses: ./.github/workflows/dotnet-build-test-packages.yml
-      needs: init
-      secrets: inherit