cicd: Remove Jenkins

.github/workflows/build-jenkins-rc.yaml

@@ -1,23 +0,0 @@
-name: "Build Jenkins RC"
-
-on:
-  push:
-    branches: [ main ]
-  workflow_dispatch:
-    inputs: 
-      reason:
-        description: "Reason"
-        required: true
-        default: "no reason given"
-
-jobs:
-  jenkins-trigger:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Trigger jenkins job
-        uses: appleboy/jenkins-action@master
-        with:
-          url: ${{ secrets.JENKINS_URL }}
-          user: ${{ secrets.JENKINS_USER }}
-          token: ${{ secrets.JENKINS_TOKEN }}
-          job: "OliveTin/OliveTin-rc-builder"