remove unused workflow

.gitea/workflows/helper.yaml

@@ -1,15 +0,0 @@
-name: Gitea Actions Demo
-run-name: ${{ gitea.actor }} is testing out Gitea Actions 🚀
-on: [push]
-
-jobs:
-  Build-Gradle:
-    runs-on: ubuntu-latest
-    container:
-       image: gitea.hessj.de/administrator/gradle:0.0.31
-    steps:
-      - name: Checkout Repository
-        uses: actions/checkout@v4
-
-      - name: Verify Gradle Installation
-        run: cd "${{ gitea.workspace }}/helper" && /opt/gradle-8.13/bin/gradle wrapper && /opt/gradle-8.13/bin/gradle build --stacktrace --no-daemon

.gitea/workflows/plugins.yaml

@@ -1,16 +0,0 @@
-name: Gitea Actions Demo2
-run-name: ${{ gitea.actor }} is testing out Gitea Actions2 🚀
-on: workflow_dispatch
-
-jobs:
-  Build-Gradle:
-    runs-on: ubuntu-latest
-    container:
-       image: gitea.hessj.de/administrator/gradle:0.0.31
-    steps:
-
-      - name: Verify Gradle Installation
-        run: cd "${{ gitea.workspace }}/environmentex" && /opt/gradle-8.13/bin/gradle wrapper && /opt/gradle-8.13/bin/gradle build --stacktrace --no-daemon
-
-      - name: show if jar is built
-        run: ls ${{ gitea.workspace }}