Remove support for parsing reldep !=
Remove support for parsing reldep !=

The transformer to libsolv already ignore it, therefore we do not need to parse
it.

Closes: #459
Approved by: jrohel

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