Globally replace oe.utils.contains to bb.utils.contains

BitBake has the exact same code as oe.utils.contains so there's no
reason to duplicate it. We now rely on the bb.utils.contains code for
metadata.

(From OE-Core rev: 93499ebc46547f5bf6dcecd5a786ead9f726de28)

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oe/rootfs.py

@@ -1,6 +1,5 @@
 from abc import ABCMeta, abstractmethod
 from oe.utils import execute_pre_post_process
-from oe.utils import contains as base_contains
 from oe.package_manager import *
 from oe.manifest import *
 import oe.path
@@ -42,7 +41,7 @@ class Rootfs(object):
         pass
 
     def _insert_feed_uris(self):
-        if base_contains("IMAGE_FEATURES", "package-management",
+        if bb.utils.contains("IMAGE_FEATURES", "package-management",
                          True, False, self.d):
             self.pm.insert_feeds_uris()
 
@@ -108,7 +107,7 @@ class Rootfs(object):
 
         execute_pre_post_process(self.d, post_process_cmds)
 
-        if base_contains("IMAGE_FEATURES", "read-only-rootfs",
+        if bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs",
                          True, False, self.d):
             delayed_postinsts = self._get_delayed_postinsts()
             if delayed_postinsts is not None:
@@ -130,7 +129,7 @@ class Rootfs(object):
         self._cleanup()
 
     def _uninstall_uneeded(self):
-        if base_contains("IMAGE_FEATURES", "package-management",
+        if bb.utils.contains("IMAGE_FEATURES", "package-management",
                          True, False, self.d):
             return