delete github CI task

.github/workflows/build.yml

@@ -1,30 +0,0 @@
-# Automatically build the project and run any configured tests for every push
-# and submitted pull request. This can help catch issues that only occur on
-# certain platforms or Java versions, and provides a first line of defence
-# against bad commits.
-
-name: build
-on: [pull_request, push]
-
-jobs:
-  build:
-    runs-on: ubuntu-24.04
-    steps:
-      - name: checkout repository
-        uses: actions/checkout@v4
-      - name: validate gradle wrapper
-        uses: gradle/actions/wrapper-validation@v4
-      - name: setup jdk
-        uses: actions/setup-java@v4
-        with:
-          java-version: '21'
-          distribution: 'microsoft'
-      - name: make gradle wrapper executable
-        run: chmod +x ./gradlew
-      - name: build
-        run: ./gradlew build
-      - name: capture build artifacts
-        uses: actions/upload-artifact@v4
-        with:
-          name: Artifacts
-          path: build/libs/