wic: don't inherit classes from object

All classes in Python3 are new style classes and don't need
to be inherited from object. Wic code works fine without
this inheritance even with Python2, so it's harmless to
remove it.

[YOCTO #9412]

(From OE-Core rev: a146b03ee7d0aa5bc1722da5977a5952782b69bf)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/lib/wic/creator.py

@@ -24,7 +24,7 @@ from wic.conf import configmgr
 from wic.plugin import pluginmgr
 
 
-class Creator(object):
+class Creator():
     """${name}: create an image
 
     Usage:

scripts/lib/wic/imager/baseimager.py

@@ -25,7 +25,7 @@ from wic import msger
 from wic.utils.errors import CreatorError
 from wic.utils import runner
 
-class BaseImageCreator(object):
+class BaseImageCreator():
     """Base class for image creation.
 
     BaseImageCreator is the simplest creator class available; it will

scripts/lib/wic/ksparser.py

@@ -110,7 +110,7 @@ def systemidtype(arg):
 
     return arg
 
-class KickStart(object):
+class KickStart():
     """"Kickstart parser implementation."""
 
     def __init__(self, confpath):

scripts/lib/wic/partition.py

@@ -38,7 +38,7 @@ partition_methods = {
     "do_configure_partition":None,
 }
 
-class Partition(object):
+class Partition():
 
     def __init__(self, args, lineno):
         self.args = args

scripts/lib/wic/plugin.py

@@ -29,7 +29,7 @@ PLUGIN_TYPES = ["imager", "source"]
 PLUGIN_DIR = "/lib/wic/plugins" # relative to scripts
 SCRIPTS_PLUGIN_DIR = "scripts" + PLUGIN_DIR
 
-class PluginMgr(object):
+class PluginMgr():
     plugin_dirs = {}
 
     # make the manager class as singleton

scripts/lib/wic/utils/partitionedfs.py

@@ -33,7 +33,7 @@ GPT_OVERHEAD = 34
 # Size of a sector in bytes
 SECTOR_SIZE = 512
 
-class Image(object):
+class Image():
     """
     Generic base object for an image.