build-setup: drop qemu targets

Take another step towards non-support of the canned qemu configurations
provided with Yocto.

There are plenty of "real" server platforms with simulation models
available.  Further these targets have not been utilized for some time
now.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: I5b33dbf7c237107542648db1781db7c3df0e635a
1 file changed