[flow] Kill React$PureComponent

Summary: Changelog: [lib] The global `React$PureComponent` is removed. If you want to refer to it, it needs to be imported from `react`.

Reviewed By: panagosg7

Differential Revision:
D69490345

------------------------------------------------------------------------
(from 5d72b71d48d06bd02e652879490d4a6a47567a96)

fbshipit-source-id: ab0f00571c6658c474830fcb6426907980588a02

lib/react.js

@@ -101,10 +101,6 @@ declare class React$Component<Props, State = void> {
   // static defaultProps: $Shape<Props>;
 }
 
-declare class React$PureComponent<Props, State = void>
-  extends React$Component<Props, State> {
-}
-
 declare type React$AbstractComponentStatics = {
   displayName?: ?string,
   // This is only on function components, but trying to access name when
@@ -203,7 +199,7 @@ declare type React$RefSetter<-T> =
  * The type of a React Context.  React Contexts are created by calling
  * createContext() with a default value.
  */
-declare opaque type React$Context<T>: 
+declare opaque type React$Context<T>:
 component<Renders: React$Node = React$Node>(value: T, children?: Renders, ...{...}) renders Renders
 & {
   Provider: component<Renders: React$Node = React$Node>(value: T, children?: Renders, ...{...}) renders Renders,
@@ -341,7 +337,7 @@ declare module react {
    *
    * @see https://react.dev/reference/react/PureComponent
    */
-  declare export const PureComponent: typeof React$PureComponent;
+  declare export const PureComponent: typeof React.PureComponent;
   declare export type ComponentType<-P> = React$ComponentType<P>;
   declare export type PropsOf<C: string | React$MixedElement | React$RendersExactly<React$ElementType>> = React.PropsOf<C>;
   declare export type PropOf<C: string | React$MixedElement | React$RendersExactly<React$ElementType>, K: string> = React.PropOf<C, K>;
@@ -725,7 +721,7 @@ declare module react {
      *
      * @see https://react.dev/reference/react/PureComponent
      */
-    declare const PureComponent: typeof React$PureComponent;
+    declare export class PureComponent<Props, State = void> extends Component<Props, State> {}
 
     declare function forwardRef<
       Config: {...},

tests/autocomplete_from_m_to_q/autocomplete_from_m_to_q.exp

@@ -775,7 +775,6 @@ Flags: --pretty
     {"name":"Range","type":"typeof Range"},
     {"name":"RangeError","type":"typeof RangeError"},
     {"name":"React$Component","type":"typeof React$Component"},
-    {"name":"React$PureComponent","type":"typeof React$PureComponent"},
     {
       "name":"ReadableByteStreamController",
       "type":"typeof ReadableByteStreamController"

tests/badly_positioned_react/badly_positioned_react.exp

@@ -14,8 +14,8 @@ References:
    test.js:21:29
     21| const Foo1 = create(create1<{||}>(Foo));
                                     ^^^^ [2]
-   <BUILTINS>/react.js:345:38
-   345|   declare export type ComponentType<-P> = React$ComponentType<P>;
+   <BUILTINS>/react.js:341:38
+   341|   declare export type ComponentType<-P> = React$ComponentType<P>;
                                              ^ [3]