fix: 添加#noqa注释解决__init__.py文件的F401错误 --story=130029401

Author: Xinkai Yi

.flake8

@@ -1,7 +1,5 @@
 [flake8]
 ignore = F405, W503, E203
-per-file-ignores =
-    */__init__.py: F401
 exclude =
     *migrations*,
     # python related

bk-plugin-framework/bk_plugin_framework/kit/__init__.py

@@ -15,7 +15,7 @@
     from pydantic import Field  # noqa
 
 from bk_plugin_framework.kit.plugin import Context  # noqa
-from bk_plugin_framework.kit.plugin import (
+from bk_plugin_framework.kit.plugin import (  # noqa
     Callback,
     ContextRequire,
     FormModel,