[RN] Move takeSnapshot to RN (#12574)

It only uses public APIs. I have a diff on the other side.

Author: sebmarkbage

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

@@ -26,7 +26,6 @@ import {getInspectorDataForViewTag} from './ReactNativeFiberInspector';
 import createReactNativeComponentClass from './createReactNativeComponentClass';
 import {injectFindHostInstance} from './findNodeHandle';
 import findNumericNodeHandle from './findNumericNodeHandle';
-import takeSnapshot from './takeSnapshot';
 
 injectFindHostInstance(ReactFabricRenderer.findHostInstance);
 
@@ -85,7 +84,6 @@ const ReactFabric: ReactNativeType = {
     ReactNativeComponentTree, // ScrollResponder
     ReactNativePropRegistry, // flattenStyle, Stylesheet
     createReactNativeComponentClass, // RCTText, RCTView, ReactNativeART
-    takeSnapshot, // react-native-implementation
   },
 };
 

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

@@ -30,7 +30,6 @@ import {getInspectorDataForViewTag} from './ReactNativeFiberInspector';
 import createReactNativeComponentClass from './createReactNativeComponentClass';
 import {injectFindHostInstance} from './findNodeHandle';
 import findNumericNodeHandle from './findNumericNodeHandle';
-import takeSnapshot from './takeSnapshot';
 
 injectFindHostInstance(ReactNativeFiberRenderer.findHostInstance);
 
@@ -104,7 +103,6 @@ const ReactNativeRenderer: ReactNativeType = {
     ReactNativeComponentTree, // ScrollResponder
     ReactNativePropRegistry, // flattenStyle, Stylesheet
     createReactNativeComponentClass, // RCTText, RCTView, ReactNativeART
-    takeSnapshot, // react-native-implementation
     computeComponentStackForErrorReporting,
   },
 };