Remove bt from intel images

Having bt in the image was causing license errors.
As this dependency will be replaced with KCS, set the
provider to empty for now.

Change-Id: Ifd41faffb5e8a9e0bf4f4dad1a987b71ba18a744
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/conf/machine/include/intel.inc b/conf/machine/include/intel.inc
index 26ff8f0..0884294 100644
--- a/conf/machine/include/intel.inc
+++ b/conf/machine/include/intel.inc
@@ -17,4 +17,5 @@
 PREFERRED_PROVIDER_virtual/obmc-system-mgmt = "packagegroup-intel-apps"
 PREFERRED_PROVIDER_virtual/obmc-host-ctl ?= "obmc-op-control-host"
 PREFERRED_PROVIDER_virtual/obmc-inventory-data ?= "${VIRTUAL-RUNTIME_skeleton_workbook}"
+PREFERRED_PROVIDER_virtual/obmc-host-ipmi-hw = ""
 #PREFERRED_PROVIDER_virtual/obmc-gpio-monitor ?= "phosphor-gpio-monitor"