ci: Drop prefix from Dockerfiles

Since the string "ci" is already contained in the path, it
seems unnecessary to include it into the filename too: in fact,
we only do that for Dockerfiles and not for files in ci/cirrus,
even though those are generated the very same way.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>

ci/containers/fedora-rawhide-cross-mingw64.Dockerfile

@@ -0,0 +1,90 @@
+# THIS FILE WAS AUTO-GENERATED
+#
+#  $ lcitool dockerfile --cross mingw64 fedora-rawhide libvirt
+#
+# https://gitlab.com/libvirt/libvirt-ci/-/commit/891c7d56be1d0eb5adaf78fced7d1d882d6f0b6a
+FROM registry.fedoraproject.org/fedora:rawhide
+
+RUN dnf update -y --nogpgcheck fedora-gpg-keys && \
+    dnf install -y nosync && \
+    echo -e '#!/bin/sh\n\
+if test -d /usr/lib64\n\
+then\n\
+    export LD_PRELOAD=/usr/lib64/nosync/nosync.so\n\
+else\n\
+    export LD_PRELOAD=/usr/lib/nosync/nosync.so\n\
+fi\n\
+exec "$@"' > /usr/bin/nosync && \
+    chmod +x /usr/bin/nosync && \
+    nosync dnf update -y && \
+    nosync dnf install -y \
+        augeas \
+        bash-completion \
+        ca-certificates \
+        ccache \
+        cppi \
+        diffutils \
+        dnsmasq \
+        dwarves \
+        ebtables \
+        firewalld-filesystem \
+        git \
+        glibc-langpack-en \
+        iproute \
+        iproute-tc \
+        iptables \
+        iscsi-initiator-utils \
+        kmod \
+        libwsman-devel \
+        libxml2 \
+        libxslt \
+        lvm2 \
+        make \
+        meson \
+        nfs-utils \
+        ninja-build \
+        numad \
+        parted \
+        perl \
+        polkit \
+        python3 \
+        python3-docutils \
+        python3-flake8 \
+        qemu-img \
+        radvd \
+        rpcgen \
+        rpm-build \
+        scrub \
+        sheepdog \
+        zfs-fuse && \
+    nosync dnf autoremove -y && \
+    nosync dnf clean all -y && \
+    rpm -qa | sort > /packages.txt && \
+    mkdir -p /usr/libexec/ccache-wrappers && \
+    ln -s /usr/bin/ccache /usr/libexec/ccache-wrappers/x86_64-w64-mingw32-cc && \
+    ln -s /usr/bin/ccache /usr/libexec/ccache-wrappers/x86_64-w64-mingw32-$(basename /usr/bin/gcc)
+
+RUN nosync dnf install -y \
+        mingw64-curl \
+        mingw64-dbus \
+        mingw64-dlfcn \
+        mingw64-gcc \
+        mingw64-gettext \
+        mingw64-glib2 \
+        mingw64-gnutls \
+        mingw64-headers \
+        mingw64-libssh2 \
+        mingw64-libxml2 \
+        mingw64-pkg-config \
+        mingw64-portablexdr \
+        mingw64-readline && \
+    nosync dnf clean all -y
+
+ENV LANG "en_US.UTF-8"
+ENV MAKE "/usr/bin/make"
+ENV NINJA "/usr/bin/ninja"
+ENV PYTHON "/usr/bin/python3"
+ENV CCACHE_WRAPPERSDIR "/usr/libexec/ccache-wrappers"
+
+ENV ABI "x86_64-w64-mingw32"
+ENV MESON_OPTS "--cross-file=/usr/share/mingw/toolchain-mingw64.meson"