[Native] Delete NativeComponent and NativeMethodsMixin (#18036)

* [Native] Delete NativeComponent and NativeMethodsMixin

* Remove more files

Author: elicwhite

packages/react-native-renderer/src/NativeMethodsMixin.js

@@ -32,8 +32,6 @@ import ReactVersion from 'shared/ReactVersion';
 // Module provided by RN:
 import {UIManager} from 'react-native/Libraries/ReactPrivate/ReactNativePrivateInterface';
 
-import NativeMethodsMixin from './NativeMethodsMixin';
-import ReactNativeComponent from './ReactNativeComponent';
 import {getClosestInstanceFromNode} from './ReactFabricComponentTree';
 import {getInspectorDataForViewTag} from './ReactNativeFiberInspector';
 
@@ -155,8 +153,6 @@ setBatchingImplementation(
 const roots = new Map();
 
 const ReactFabric: ReactFabricType = {
-  NativeComponent: ReactNativeComponent(findNodeHandle, findHostInstance),
-
   // This is needed for implementation details of TouchableNativeFeedback
   // Remove this once TouchableNativeFeedback doesn't use cloneElement
   findHostInstance_DEPRECATED,
@@ -223,10 +219,7 @@ const ReactFabric: ReactFabricType = {
     return createPortal(children, containerTag, null, key);
   },
 
-  __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: {
-    // Used as a mixin in many createClass-based components
-    NativeMethodsMixin: NativeMethodsMixin(findNodeHandle, findHostInstance),
-  },
+  __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: {},
 };
 
 injectIntoDevTools({