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
diff --git a/build-setup.sh b/build-setup.sh
index da691e3..10545cd 100755
--- a/build-setup.sh
+++ b/build-setup.sh
@@ -155,15 +155,6 @@
   romulus)
     LAYER_DIR="meta-ibm/meta-romulus"
     ;;
-  qemu)
-    LAYER_DIR="meta-phosphor"
-    # MACHINE defaults to `qemuarm` in this layer, no change necessary
-    ;;
-  qemux86-64)
-    LAYER_DIR="meta-phosphor"
-    # MACHINE defaults to `qemuarm` in this layer, change to `qemux86-64`
-    MACHINE="qemux86-64"
-    ;;
   tiogapass)
     LAYER_DIR="meta-facebook/meta-tiogapass"
     ;;