ci: remove vulkan from freebsd/msys2 builds

Now requires libplacebo v6, not available on these platforms any time soon.

ci/build-freebsd.sh

@@ -14,7 +14,6 @@ meson setup build \
     -Dsndio=enabled \
     -Dtests=true \
     -Dvdpau=enabled \
-    -Dvulkan=enabled \
     -Doss-audio=enabled \
     $(pkg info -q v4l_compat && echo -Ddvbin=enabled) \
     $(pkg info -q libdvdnav && echo -Ddvdnav=enabled) \
@@ -38,7 +37,6 @@ python3 ./waf configure \
     --enable-sdl2 \
     --enable-sndio \
     --enable-vdpau \
-    --enable-vulkan \
     --enable-oss-audio \
     $(pkg info -q v4l_compat && echo --enable-dvbin) \
     $(pkg info -q libdvdnav && echo --enable-dvdnav) \

ci/build-msys2.sh

@@ -24,8 +24,7 @@ if [ "$1" = "meson" ]; then
       -D spirv-cross=enabled     \
       -D tests=true              \
       -D uchardet=enabled        \
-      -D vapoursynth=enabled     \
-      -D vulkan=enabled
+      -D vapoursynth=enabled
     meson compile -C build
     cp ./build/generated/mpv.com ./build
     ./build/mpv.com -v --no-config
@@ -53,8 +52,7 @@ if [ "$1" = "waf" ]; then
       --enable-spirv-cross     \
       --enable-uchardet        \
       --enable-vapoursynth     \
-      --enable-lua             \
-      --enable-vulkan
+      --enable-lua
     ./waf build
     ./build_waf/mpv.com -v --no-config
 fi