Remove C++ implementation

.github/workflows/MinedMap.yml

@@ -2,93 +2,6 @@ name: 'MinedMap'
 on: ['push', 'pull_request', 'workflow_dispatch']
 
 jobs:
-  build:
-    name: 'Build MinedMap (${{ matrix.host }})'
-    runs-on: 'ubuntu-20.04'
-    strategy:
-      fail-fast: false
-      matrix:
-        host:
-          - 'x86_64-linux-gnu'
-          - 'x86_64-w64-mingw32'
-        include:
-          - host: 'x86_64-linux-gnu'
-            label: 'x86_64-linux-gnu'
-            packages: ['g++', 'libpng-dev']
-            prefix: '/usr'
-            build_libpng: false
-          - host: 'x86_64-w64-mingw32'
-            label: 'Win64'
-            packages: ['g++-mingw-w64-x86-64', 'libz-mingw-w64-dev']
-            prefix: '/usr/x86_64-w64-mingw32'
-            build_libpng: true
-          - host: 'i686-w64-mingw32'
-            label: 'Win32'
-            packages: ['g++-mingw-w64-i686', 'libz-mingw-w64-dev']
-            prefix: '/usr/i686-w64-mingw32'
-            build_libpng: true
-
-    env:
-      CMAKE_TOOLCHAIN_FILE: '${{ github.workspace }}/.github/toolchains/${{ matrix.host }}.cmake'
-
-    steps:
-      - name: 'Checkout'
-        uses: 'actions/checkout@v3'
-
-      - name: 'Get version'
-        id: 'tag'
-        run: |
-          set -o pipefail
-          git fetch --prune --unshallow --tags -f
-          echo "tag=$(git describe --abbrev=7 --match='v*' | sed 's/^v//')" >> $GITHUB_OUTPUT
-
-      - name: 'Dependencies (apt)'
-        run: |
-          sudo apt-get -y update
-          sudo apt-get -y install ninja-build ${{ join(matrix.packages, ' ') }}
-          sudo apt-get -y clean
-
-      - name: 'Dependencies (libpng)'
-        if: '${{ matrix.build_libpng }}'
-        run: |
-          pkgver=1.6.37
-          pkghash=505e70834d35383537b6491e7ae8641f1a4bed1876dbfe361201fc80868d88ca
-
-          mkdir -p build/libpng
-          cd build/libpng
-          wget http://downloads.sourceforge.net/sourceforge/libpng/libpng-$pkgver.tar.xz
-          echo "$pkghash libpng-$pkgver.tar.xz" | sha256sum -c -
-          tar xf libpng-$pkgver.tar.xz
-          cd libpng-$pkgver
-          ./configure \
-            --prefix=${{ matrix.prefix }} \
-            --host=${{ matrix.host }} \
-            --disable-shared
-          make -j$(nproc)
-          sudo make install
-          sudo rm ${{ matrix.prefix }}/lib/libpng*.la
-
-      - name: 'Build'
-        uses: lukka/run-cmake@v10
-        with:
-          configurePreset: 'ninja'
-          buildPreset: 'ninja-release'
-
-      - name: 'Install'
-        run: |
-          export DESTDIR="$(pwd)/build/install"
-          ninja -C builds/ninja -f build-RelWithDebInfo.ninja install/strip
-
-          pkgdir='build/pkg/MinedMap-${{ steps.tag.outputs.tag }}-${{ matrix.label }}'
-          mkdir -p "$pkgdir"
-          cp "$DESTDIR/usr/local/bin"/* "$pkgdir"/
-
-      - name: 'Archive'
-        uses: 'actions/upload-artifact@v3'
-        with:
-          name: 'MinedMap-${{ steps.tag.outputs.tag }}-${{ matrix.label }}'
-          path: 'build/pkg'
-
   viewer:
     name: 'Package viewer'
     runs-on: 'ubuntu-20.04'