Revert lint-related changes made in #4193 (#4211)

Author: NMinhNguyen

packages/react-error-overlay/src/effects/proxyConsole.js

@@ -28,7 +28,7 @@ const registerReactStack = () => {
     // $FlowFixMe
     console.reactStack = frames => reactFrameStack.push(frames);
     // $FlowFixMe
-    console.reactStackEnd = () => reactFrameStack.pop();
+    console.reactStackEnd = frames => reactFrameStack.pop();
   }
 };
 

packages/react-error-overlay/src/utils/getStackFrames.js

@@ -13,7 +13,7 @@ import { unmap } from './unmapper';
 
 function getStackFrames(
   error: Error,
-  unhandledRejection: boolean = false, // eslint-disable-line
+  unhandledRejection: boolean = false,
   contextSize: number = 3
 ): Promise<StackFrame[] | null> {
   const parsedFrames = parse(error);