ci: Remove Windows MSVC tasks from Cirrus CI

Co-authored-by: Tim Ruffing <crypto@timruffing.de>

ci/linux-debian.Dockerfile

@@ -21,7 +21,8 @@ RUN apt-get update && apt-get install --no-install-recommends -y \
         gcc-aarch64-linux-gnu libc6-dev-arm64-cross libc6-dbg:arm64 \
         gcc-powerpc64le-linux-gnu libc6-dev-ppc64el-cross libc6-dbg:ppc64el \
         gcc-mingw-w64-x86-64-win32 wine64 wine \
-        gcc-mingw-w64-i686-win32 wine32
+        gcc-mingw-w64-i686-win32 wine32 \
+        python3
 
 WORKDIR /root
 
@@ -55,20 +56,3 @@ RUN wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | tee /etc/apt/trusted.
     # Create symlinks for them
     ln -s $(ls /usr/bin/clang-?? | sort | tail -1) /usr/bin/clang-snapshot && \
     ln -s $(ls /usr/bin/clang-?? | sort | head -1) /usr/bin/clang
-
-# The "wine" package provides a convenience wrapper that we need
-RUN apt-get update && apt-get install --no-install-recommends -y \
-        git ca-certificates wine64 wine python3-simplejson python3-six msitools winbind procps && \
-# Workaround for `wine` package failure to employ the Debian alternatives system properly.
-    ln -s /usr/lib/wine/wine64 /usr/bin/wine64 && \
-# Set of tools for using MSVC on Linux.
-    git clone https://github.com/mstorsjo/msvc-wine && \
-    mkdir /opt/msvc && \
-    python3 msvc-wine/vsdownload.py --accept-license --dest /opt/msvc Microsoft.VisualStudio.Workload.VCTools && \
-# Since commit 2146cbfaf037e21de56c7157ec40bb6372860f51, the
-# msvc-wine effectively initializes the wine prefix when running
-# the install.sh script.
-    msvc-wine/install.sh /opt/msvc && \
-# Wait until the wineserver process has exited before closing the session,
-# to avoid corrupting the wine prefix.
-    while (ps -A | grep wineserver) > /dev/null; do sleep 1; done