delete v2.0 configs support.

Signed-off-by: Ntaiyi.pei <peitaiyi@huawei.com>

hb_internal/common/config.py

@@ -304,15 +304,6 @@ class Config(metaclass=Singleton):
                 f'Invalid built-in product path: {_built_in_product_path}')
         return _built_in_product_path
 
-    @property
-    def built_in_device_path(self):
-        _built_in_device_path = os.path.join(self.root_path,
-                                             'productdefine/common/device')
-        if not os.path.isdir(_built_in_device_path):
-            raise OHOSException(
-                f'Invalid built-in product path: {_built_in_device_path}')
-        return _built_in_device_path
-
     @property
     def build_tools_path(self):
         try:

hb_internal/common/product.py

@@ -131,20 +131,7 @@ class Product():
         config = Config()
         version = info.get('version', '3.0')
 
-        if version == '2.0':
-            device_json = os.path.join(config.built_in_device_path,
-                                       f'{info["product_device"]}.json')
-            device_info = read_json_file(device_json)
-            return {
-                'board': device_info.get('device_name'),
-                'kernel': device_info.get('kernel_type', 'linux'),
-                'kernel_version': device_info.get('kernel_version'),
-                'company': device_info.get('device_company'),
-                'board_path': device_info.get('device_build_path'),
-                'target_cpu': device_info.get('target_cpu'),
-                'target_os': device_info.get('target_os')
-            }
-        elif version == '3.0':
+        if version == '3.0':
             device_company = info.get('device_company')
             board = info.get('board')
             _board_path = info.get('board_path')

hb_internal/preloader/preloader.py

@@ -488,7 +488,6 @@ class Dirs:
         self.built_in_product_dir = config.built_in_product_path
         self.productdefine_dir = os.path.join(self.source_root_dir,
                                               'productdefine/common')
-        self.built_in_device_dir = config.built_in_device_path
         self.built_in_base_dir = os.path.join(self.productdefine_dir, 'base')
 
         # Configs of vendor specified products are stored in