[packit] Disable opensuse-tumbleweed-x86_64 target.
[packit] Disable opensuse-tumbleweed-x86_64 target.

openSUSE builds are failing because they statically link libsolvext
which lacks linker options to link it's dependencies.

rpm-software-management/libhif,hughsie/libhif,hughsie/libhif,rpm-software-management/libhif,rpm-software-management/libdnf,hughsie/libhif,rpm-software-management/libdnf,rpm-software-management/libdnf,hughsie/libhif,rpm-software-management/libdnf,rpm-software-management/libhif,rpm-software-management/libhif