Workaround for feature group failing during built.

 based on workaround mentioned in
   https://github.com/facebook/buck/issues/469

Change-Id: Ibed05bf14b548320d91b3b39cb9abc21b06e44ca
diff --git a/tools/build/onos-buck b/tools/build/onos-buck
index 07ffd9c..7dab646 100755
--- a/tools/build/onos-buck
+++ b/tools/build/onos-buck
@@ -122,9 +122,9 @@
 fi
 
 # HACK: Clean-up frequent problem-causers from buck-out
-rm -fr \
-    $ONOS_ROOT/buck-out/bin/lib/.netty \
-    $ONOS_ROOT/buck-out/bin/lib/.KRYO
+#rm -fr \
+#    $ONOS_ROOT/buck-out/bin/lib/.netty \
+#    $ONOS_ROOT/buck-out/bin/lib/.KRYO
 
 # Finally, run the Buck command...
 $BUCK "$@"