meta-openpower: drop dbus-interfaces dependency

The openpower dbus interfaces were all upstreamed into OpenBMC
(phosphor-dbus-interfaces).  Drop our dependency on
openpower-dbus-interfaces.

Change-Id: I1c5f3c42d0cecb3b1de1c7ad77627f43326dc4d7
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/recipes-phosphor/ipmi/openpower-ipmi-oem_git.bb b/recipes-phosphor/ipmi/openpower-ipmi-oem_git.bb
index 142c09d..67350a3 100644
--- a/recipes-phosphor/ipmi/openpower-ipmi-oem_git.bb
+++ b/recipes-phosphor/ipmi/openpower-ipmi-oem_git.bb
@@ -19,7 +19,6 @@
 DEPENDS += "${PYTHON_PN}-pyyaml-native"
 DEPENDS += "phosphor-logging"
 DEPENDS += "phosphor-dbus-interfaces phosphor-dbus-interfaces-native"
-DEPENDS += "openpower-dbus-interfaces openpower-dbus-interfaces-native"
 DEPENDS += "virtual/phosphor-ipmi-inventory-sel"
 
 TARGET_CFLAGS += "-fpic"