openpower: op-apps: Remove obmc-phosphor-license

This class is on its way to being deprecated, and oe-core packagegroups
don't have a LICENSE specified in the recipe.  Adopt the same semantics
for meta-openpower.

(From meta-openpower rev: 55426381f1e2ad1aeae17f78f29eecee3e4bb1b5)

Change-Id: Icb62e74915ac478b74776299cc1d9ad352accfe6
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-openpower/recipes-phosphor/packagegroups/packagegroup-op-apps.bb b/meta-openpower/recipes-phosphor/packagegroups/packagegroup-op-apps.bb
index e4c909c..bb05336 100644
--- a/meta-openpower/recipes-phosphor/packagegroups/packagegroup-op-apps.bb
+++ b/meta-openpower/recipes-phosphor/packagegroups/packagegroup-op-apps.bb
@@ -2,7 +2,6 @@
 PR = "r1"
 
 inherit packagegroup
-inherit obmc-phosphor-license
 inherit obmc-phosphor-utils
 
 PROVIDES = "${PACKAGES}"