Remove default CF config set limit in Acloud create.

Bug: 180618596
Test: acloud-dev create --config foldable_pixel --build_target cf_x86_64_foldable-userdebug --branch git_sc-v2-release
Change-Id: I009fbd77d4b7f9ebf1ef938fd4f3e6d6f62bda04
diff --git a/public/config.py b/public/config.py
index 02ab4f0..5b27a43 100755
--- a/public/config.py
+++ b/public/config.py
@@ -63,7 +63,7 @@
 _CONFIG_DATA_PATH = os.path.join(
     os.path.dirname(os.path.abspath(__file__)), "data")
 _DEFAULT_CONFIG_FILE = "acloud.config"
-_DEFAULT_HW_PROPERTY = "cpu:2,resolution:720x1280,dpi:320,memory:4g"
+_DEFAULT_HW_PROPERTY = "cpu:4,resolution:720x1280,dpi:320,memory:4g"
 
 # VERSION
 _VERSION_FILE = "VERSION"
@@ -111,7 +111,7 @@
     return cfg
 
 
-class AcloudConfig(object):
+class AcloudConfig():
     """A class that holds all configurations for acloud."""
 
     REQUIRED_FIELD = [
@@ -325,7 +325,7 @@
         return bool(self.project)
 
 
-class AcloudConfigManager(object):
+class AcloudConfigManager():
     """A class that loads configurations."""
 
     _DEFAULT_INTERNAL_CONFIG_PATH = os.path.join(_CONFIG_DATA_PATH,