disable Vulkan for Windows 7 (tdf#138219)

The bugreport says the latest Intel drivers for Windows 7 are
problematic, and since Windows 7 is EOL anyway, simply don't bother.

Change-Id: Iee429d99ebf9b0e0a99a50c38ef77d06ab5b797b
Signed-off-by: Xisco Fauli <xiscofauli@libreoffice.org>
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/105930
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
diff --git a/vcl/skia/skia_blacklist_vulkan.xml b/vcl/skia/skia_blacklist_vulkan.xml
index bd19c0c..8a222d0 100644
--- a/vcl/skia/skia_blacklist_vulkan.xml
+++ b/vcl/skia/skia_blacklist_vulkan.xml
@@ -30,5 +30,8 @@
        <entry os="windows" vendor="nvidia">
            <device id="all"/>
        </entry>
        <entry os="7" vendor="all">
            <device id="all"/>
        </entry>
    </blacklist>
</root>