Remove copying to old platform name

Author: eregon

.github/workflows/build.yml

@@ -86,14 +86,6 @@ jobs:
       id: platform
       shell: bash
       run: |
-        platform=${{ matrix.os }}
-        platform=${platform/macos-13/macos-latest}
-        platform=${platform/macos-14/macos-13-arm64}
-        platform=${platform/windows-2022/windows-latest}
-        platform=${platform/windows-11-arm/windows-arm64}
-        platform=${platform/%-arm/-arm64}
-        echo "old_platform=$platform" >> $GITHUB_OUTPUT
-
         platform=${{ matrix.os }}
         platform=${platform/macos-13/darwin-x64}
         platform=${platform/macos-14/darwin-arm64}
@@ -170,10 +162,6 @@ jobs:
       shell: bash
       run: |
         gh release upload "${{ needs.release.outputs.tag }}" "jruby-head-${{ steps.platform.outputs.platform }}.tar.gz"
-        if [ "${{ steps.platform.outputs.old_platform }}" != "${{ steps.platform.outputs.platform }}" ]; then
-          mv "jruby-head-${{ steps.platform.outputs.platform }}.tar.gz" "jruby-head-${{ steps.platform.outputs.old_platform }}.tar.gz"
-          gh release upload "${{ needs.release.outputs.tag }}" "jruby-head-${{ steps.platform.outputs.old_platform }}.tar.gz"
-        fi
 
   publish:
     name: Publish Release