The Hob GUI requires the meta-hob layer to function so prevent its removal
as we do with the core meta layer.
(From Poky rev: a64d71e1e4475236e286cb20dde29c4d099d3693)
(Bitbake rev: 431624678025b3d3fe04f1c6e8fc50820b3129fb)
Signed-off-by: Joshua Lock <josh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>