ibm: remove deprecated mapper path whitelist

The IBM layer has switched over to the new dbus service whitelist
mechanism for phosphor-mapper.  Remove the legacy path whitelist
for the IBM layer.

Change-Id: Ibdbb2698442cc9fe3b81d3086fbea32cca0b539b
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/recipes-phosphor/dbus/ibm-dbus-interfaces-mapper-config-native.bb b/recipes-phosphor/dbus/ibm-dbus-interfaces-mapper-config-native.bb
index 2df41de..2768caf 100644
--- a/recipes-phosphor/dbus/ibm-dbus-interfaces-mapper-config-native.bb
+++ b/recipes-phosphor/dbus/ibm-dbus-interfaces-mapper-config-native.bb
@@ -6,6 +6,5 @@
 inherit native
 inherit obmc-phosphor-license
 
-PHOSPHOR_MAPPER_NAMESPACE_append = " /com/ibm"
 PHOSPHOR_MAPPER_SERVICE_append = " com.ibm"
 PHOSPHOR_MAPPER_INTERFACE_append = " com.ibm"