Disable cygwin for now.

.github/workflows/ccpp.yml

@@ -52,27 +52,3 @@ jobs:
       run: sudo make check
     - name: ssl file list
       run: /usr/local/bin/rsync-ssl --no-motd download.samba.org::rsyncftp/ || true
-
-  cygwin-build:
-    runs-on: windows-latest
-    steps:
-    - uses: actions/checkout@v2
-    - uses: crazy-max/ghaction-chocolatey@v1.2.2
-      with:
-        args: install -y --no-progress cygwin cyg-get
-    - name: prep
-      run: |
-        cyg-get make autoconf automake gcc-core gcc-g++ libssl-devel libzstd-devel liblz4-devel
-        echo "::add-path::C:/tools/cygwin/bin"
-    - name: configure
-      run: c:/tools/cygwin/bin/bash -c './configure --disable-md2man --disable-xxhash'
-    - name: make
-      run: c:/tools/cygwin/bin/bash -c 'make'
-    - name: install
-      run: bash -c 'make install'
-    - name: info
-      run: bash -c '/usr/local/bin/rsync --version'
-    - name: check
-      run: bash -c 'make check'
-    - name: ssl file list
-      run: bash -c '/usr/local/bin/rsync-ssl --no-motd download.samba.org::rsyncftp/ || true'