openpower: remove deprecated mapper path whitelist

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

(From meta-openpower rev: 7780a046cb4f439cbcb9a9039a941017782209a8)

Change-Id: Idb6564fd6a6ffa9eddea7f9bcf15ca32d1b0cdb4
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-openpower/recipes-phosphor/dbus/openpower-dbus-interfaces-mapper-config-native.bb b/meta-openpower/recipes-phosphor/dbus/openpower-dbus-interfaces-mapper-config-native.bb
index 5878c8d..a8d5347 100644
--- a/meta-openpower/recipes-phosphor/dbus/openpower-dbus-interfaces-mapper-config-native.bb
+++ b/meta-openpower/recipes-phosphor/dbus/openpower-dbus-interfaces-mapper-config-native.bb
@@ -7,6 +7,5 @@
 inherit native
 inherit obmc-phosphor-license
 
-PHOSPHOR_MAPPER_NAMESPACE_append = " /org/open_power"
 PHOSPHOR_MAPPER_SERVICE_append = " org.open_power"
 PHOSPHOR_MAPPER_INTERFACE_append = " org.open_power"