No longer expose ReactNativeComponentTree (#12904)

Author: sebmarkbage

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

@@ -116,8 +116,6 @@ const ReactFabric: ReactFabricType = {
   __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: {
     // Used as a mixin in many createClass-based components
     NativeMethodsMixin: NativeMethodsMixin(findNodeHandle, findHostInstance),
-    // Used by react-native-github/Libraries/ components
-    ReactNativeComponentTree, // ScrollResponder
   },
 };
 

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

@@ -138,8 +138,6 @@ const ReactNativeRenderer: ReactNativeType = {
   __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: {
     // Used as a mixin in many createClass-based components
     NativeMethodsMixin: NativeMethodsMixin(findNodeHandle, findHostInstance),
-    // Used by react-native-github/Libraries/ components
-    ReactNativeComponentTree, // ScrollResponder
     computeComponentStackForErrorReporting,
   },
 };

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

@@ -89,15 +89,13 @@ export type NativeMethodsMixinType = {
 
 type SecretInternalsType = {
   NativeMethodsMixin: NativeMethodsMixinType,
-  ReactNativeComponentTree: any,
   computeComponentStackForErrorReporting(tag: number): string,
   // TODO (bvaughn) Decide which additional types to expose here?
   // And how much information to fill in for the above types.
 };
 
 type SecretInternalsFabricType = {
   NativeMethodsMixin: NativeMethodsMixinType,
-  ReactNativeComponentTree: any,
 };
 
 /**