Back out "Add Appearance.setColorScheme support"

Summary:
See https://github.com/facebook/react-native/pull/35989#discussion_r1101016329

Changelog:
[General][Fixed] - Back out "Add Appearance.setColorScheme support"

Reviewed By: jacdebug

Differential Revision: D43148056

fbshipit-source-id: 823ab8276207f243b788ce7757839a3e95bdbe07

Libraries/Utilities/Appearance.d.ts

@@ -28,16 +28,6 @@ export namespace Appearance {
    */
   export function getColorScheme(): ColorSchemeName;
 
-  /**
-   * Set the color scheme preference. This is useful for overriding the default
-   * color scheme preference for the app. Note that this will not change the
-   * appearance of the system UI, only the appearance of the app.
-   * Only available on iOS 13+ and Android 10+.
-   */
-  export function setColorScheme(
-    scheme: ColorSchemeName | null | undefined,
-  ): void;
-
   /**
    * Add an event handler that is fired when appearance preferences change.
    */

Libraries/Utilities/Appearance.js

@@ -85,17 +85,6 @@ module.exports = {
     return nativeColorScheme;
   },
 
-  setColorScheme(colorScheme: ?ColorSchemeName): void {
-    const nativeColorScheme = colorScheme == null ? 'unspecified' : colorScheme;
-
-    invariant(
-      colorScheme === 'dark' || colorScheme === 'light' || colorScheme == null,
-      "Unrecognized color scheme. Did you mean 'dark', 'light' or null?",
-    );
-
-    NativeAppearance?.setColorScheme?.(nativeColorScheme);
-  },
-
   /**
    * Add an event handler that is fired when appearance preferences change.
    */

Libraries/Utilities/NativeAppearance.js

@@ -26,7 +26,6 @@ export interface Spec extends TurboModule {
   // types.
   /* 'light' | 'dark' */
   +getColorScheme: () => ?string;
-  +setColorScheme?: (colorScheme: string) => void;
 
   // RCTEventEmitter
   +addListener: (eventName: string) => void;