meta-openembedded and poky: subtree updates

Squash of the following due to dependencies among them
and OpenBMC changes:

meta-openembedded: subtree update:d0748372d2..9201611135
meta-openembedded: subtree update:9201611135..17fd382f34
poky: subtree update:9052e5b32a..2e11d97b6c
poky: subtree update:2e11d97b6c..a8544811d7

The change log was too large for the jenkins plugin
to handle therefore it has been removed. Here is
the first and last commit of each subtree:

meta-openembedded:d0748372d2
      cppzmq: bump to version 4.6.0
meta-openembedded:17fd382f34
      mpv: Remove X11 dependency
poky:9052e5b32a
      package_ipk: Remove pointless comment to trigger rebuild
poky:a8544811d7
      pbzip2: Fix license warning

Change-Id: If0fc6c37629642ee207a4ca2f7aa501a2c673cd6
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/poky/bitbake/lib/bs4/tests/test_lxml.py b/poky/bitbake/lib/bs4/tests/test_lxml.py
index 6c2a1d7..6b6cdd0 100644
--- a/poky/bitbake/lib/bs4/tests/test_lxml.py
+++ b/poky/bitbake/lib/bs4/tests/test_lxml.py
@@ -1,6 +1,5 @@
 """Tests to ensure that the lxml tree builder generates good trees."""
 
-import re
 import warnings
 
 try:
@@ -14,13 +13,8 @@
 if LXML_PRESENT:
     from bs4.builder import LXMLTreeBuilder, LXMLTreeBuilderForXML
 
-from bs4 import (
-    BeautifulSoup,
-    BeautifulStoneSoup,
-    )
-from bs4.element import Comment, Doctype, SoupStrainer
+from bs4 import BeautifulStoneSoup
 from bs4.testing import skipIf
-from bs4.tests import test_htmlparser
 from bs4.testing import (
     HTMLTreeBuilderSmokeTest,
     XMLTreeBuilderSmokeTest,