BridgelessUIManager: Finish setJSResponder, clearJSResponder (#42214)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/42214

These methods are only used in the legacy React renderer. The Fabric renderer calls into different methods. So, let's just leave these unimplemented.

NOTE: I introduced the warning back into clearJSResponder, because I couldn't find the internal call-site to it.

Changelog: [Internal]

Reviewed By: cortinico

Differential Revision: D52449787

fbshipit-source-id: bd001c0ca4a3e64aaaf6328b3322025b09ee6da9

packages/react-native/Libraries/ReactNative/BridgelessUIManager.js

@@ -147,6 +147,12 @@ const UIManagerJSUnusedAPIs = {
   ): void => {
     raiseSoftError('manageChildren');
   },
+  setJSResponder: (reactTag: ?number, blockNativeResponder: boolean): void => {
+    raiseSoftError('setJSResponder');
+  },
+  clearJSResponder: (): void => {
+    raiseSoftError('clearJSResponder');
+  },
 };
 
 const UIManagerJSPlatformAPIs = Platform.select({
@@ -334,12 +340,6 @@ const UIManagerJS: UIManagerJSInterface & {[string]: any} = {
   ): void => {
     raiseSoftError('viewIsDescendantOf');
   },
-  setJSResponder: (reactTag: ?number, blockNativeResponder: boolean): void => {
-    raiseSoftError('setJSResponder');
-  },
-  clearJSResponder: (): void => {
-    // Don't log error here because we're aware it gets called
-  },
   configureNextLayoutAnimation: (
     config: Object,
     callback: () => void,