protect secrets and remove unused secrets

Author: raeessap

.github/workflows/build-gh-pages.yml

@@ -25,6 +25,8 @@ concurrency:
 jobs:
   # Build job
   build:
+    environment:
+      name: github-pages
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo from GitHub Tools SAP

.github/workflows/main.yml

@@ -115,13 +115,13 @@ jobs:
               input='${{ github.event.inputs.platforms }}'
             # SapMachine 2022-06-24: Also handle 'pull_request' event.
             elif [[ $GITHUB_EVENT_NAME == push ]] || [[ $GITHUB_EVENT_NAME == pull_request ]]; then
-              if [[ '${{ !secrets.JDK_SUBMIT_FILTER || startsWith(github.ref, 'refs/heads/submit/') }}' == 'false' ]]; then
+              if [[ 'startsWith(github.ref, 'refs/heads/submit/') }}' == 'false' ]]; then
                 # If JDK_SUBMIT_FILTER is set, and this is not a "submit/" branch, don't run anything
                 >&2 echo 'JDK_SUBMIT_FILTER is set and not a "submit/" branch'
                 echo 'false'
                 return
               else
-                input='${{ secrets.JDK_SUBMIT_PLATFORMS }}'
+                input=''
               fi
             fi