CI: Remove superfluous Qt6 WoA build job

Now that Qt6 builds x64 and arm64 in parallel, this extra job is no
longer necessary.

Author: RytoEX

.github/workflows/scheduled.yaml

@@ -386,48 +386,3 @@ jobs:
         with:
           name: ${{ steps.setup.outputs.artifactName }}
           path: ${{ github.workspace }}/windows/${{ steps.setup.outputs.artifactFileName }}
-
-  windows-qt6-arm64-build:
-    name: Build Qt6 (Windows ARM64)
-    runs-on: windows-2022
-    needs: [windows-qt6-build]
-    strategy:
-      fail-fast: true
-      matrix:
-        config: [RelWithDebInfo, Debug]
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Setup Environment
-        id: setup
-        run: |
-          # Setup Environment
-          $HostArtifactName="qt6-windows-x64-${{ matrix.config }}-nightly"
-          $HostFileName="windows-deps-qt6-$(Get-Date -Format 'yyyy-MM-dd')-x64-${{ matrix.config }}.zip"
-
-          "hostArtifactName=${HostArtifactName}" >> $env:GITHUB_OUTPUT
-          "hostArtifactFileName=${HostFileName}" >> $env:GITHUB_OUTPUT
-          "qtHostPath=${env:GITHUB_WORKSPACE}/Qt6Host" >> $env:GITHUB_OUTPUT
-
-      - name: Download Host Tools Artifact
-        uses: actions/download-artifact@v4
-        with:
-          name: ${{ steps.setup.outputs.hostArtifactName }}
-          path: ${{ github.workspace }}/Qt6Host
-
-      - name: Setup Host Tools Artifact
-        run: |
-          . ${{ github.workspace }}/utils.pwsh/Expand-ArchiveExt
-
-          Set-Location ${{ github.workspace }}/Qt6Host
-          Expand-ArchiveExt -Path ${{ steps.setup.outputs.hostArtifactFileName }} -DestinationPath (Get-Location | Convert-Path)
-
-      - name: Build Windows Qt
-        uses: ./.github/actions/build-qt
-        env:
-          QtHostPath: ${{ steps.setup.outputs.qtHostPath }}
-        with:
-          target: arm64
-          config: ${{ matrix.config }}