remove test workflow

.github/workflows/deploy-docs-test.yml

@@ -1,15 +0,0 @@
-name: Deploy Docs Test
-on:
-  push:
-    branches-ignore: [ gh-pages ]
-    tags: '**'
-  repository_dispatch:
-    types: request-build-reference # legacy
-  #schedule:
-  #- cron: '0 10 * * *' # Once per day at 10am UTC
-  workflow_dispatch:
-
-jobs:
-  deploy-docs:
-    uses: spring-cloud/spring-cloud-build/.github/workflows/spring-cloud-deploy-docs.yml@main
-    secrets: inherit