Delete build-client.yml

It's now redundant since the CI job does it as well

.github/workflows/build-client.yml

@@ -1,44 +0,0 @@
-name: Build Client
-
-on:
-  push:
-    branches:
-      - master
-    tags:
-      - "v*"
-  pull_request:
-    branches:
-      - master
-
-jobs:
-  #
-  # Build the Spoolman client for people to download
-  #
-  build-client:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Install node
-        uses: actions/setup-node@v3
-        with:
-          node-version: '20'
-
-      - name: Install dependencies
-        run: |
-          cd client
-          npm ci
-
-      - name: Build
-        run: |
-          cd client
-          rm -f .env && echo "VITE_APIURL=/api/v1" > .env.production
-          npm run build
-          npm run build.zip
-
-      - name: Upload artifact
-        uses: actions/upload-artifact@v3
-        with:
-          name: spoolman-client.zip
-          path: client/dist/spoolman-client.zip