Revert logic for checking for duplicate installations of DevTools (#22638)

* Revert "Only show DevTools warning about unrecognized build in Chrome (#22571)"

This reverts commit b72dc8e930.

* Revert "Show warning in UI when duplicate installations of DevTools extension are detected (#22563)"

This reverts commit 930c9e7eeb.

* Revert "Prevent errors/crashing when multiple installs of DevTools are present (#22517)"

This reverts commit 545d4c2de7.

* Remove all references to passing extensionId in postMessage

* Keep build changes

* lint

packages/react-devtools-shared/src/devtools/views/DevTools.js

@@ -34,7 +34,6 @@ import {SchedulingProfilerContextController} from 'react-devtools-scheduling-pro
 import {ModalDialogContextController} from './ModalDialog';
 import ReactLogo from './ReactLogo';
 import UnsupportedBridgeProtocolDialog from './UnsupportedBridgeProtocolDialog';
-import DuplicateInstallationDialog from './DuplicateInstallationDialog';
 import UnsupportedVersionDialog from './UnsupportedVersionDialog';
 import WarnIfLegacyBackendDetected from './WarnIfLegacyBackendDetected';
 import {useLocalStorage} from './hooks';
@@ -74,7 +73,6 @@ export type Props = {|
   enabledInspectedElementContextMenu?: boolean,
   showTabBar?: boolean,
   store: Store,
-  warnIfDuplicateInstallation?: boolean,
   warnIfLegacyBackendDetected?: boolean,
   warnIfUnsupportedVersionDetected?: boolean,
   viewAttributeSourceFunction?: ?ViewAttributeSource,
@@ -134,7 +132,6 @@ export default function DevTools({
   profilerPortalContainer,
   showTabBar = false,
   store,
-  warnIfDuplicateInstallation = false,
   warnIfLegacyBackendDetected = false,
   warnIfUnsupportedVersionDetected = false,
   viewAttributeSourceFunction,
@@ -322,7 +319,6 @@ export default function DevTools({
                 </ViewElementSourceContext.Provider>
               </SettingsContextController>
               <UnsupportedBridgeProtocolDialog />
-              {warnIfDuplicateInstallation && <DuplicateInstallationDialog />}
               {warnIfLegacyBackendDetected && <WarnIfLegacyBackendDetected />}
               {warnIfUnsupportedVersionDetected && <UnsupportedVersionDialog />}
             </ModalDialogContextController>

packages/react-devtools-shared/src/devtools/views/DuplicateInstallationDialog.js

@@ -1,55 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @flow strict-local
- */
-
-import * as React from 'react';
-import {Fragment, useContext, useEffect} from 'react';
-import {isInternalFacebookBuild} from 'react-devtools-feature-flags';
-import {ModalDialogContext} from './ModalDialog';
-
-export default function DuplicateInstallationDialog(_: {||}) {
-  const {dispatch} = useContext(ModalDialogContext);
-
-  useEffect(() => {
-    dispatch({
-      canBeDismissed: false,
-      id: 'DuplicateInstallationDialog',
-      type: 'SHOW',
-      title: 'Duplicate Installations of DevTools Detected',
-      content: <DialogContent />,
-    });
-  }, []);
-  return null;
-}
-
-function DialogContent(_: {||}) {
-  return (
-    <Fragment>
-      <p>
-        We detected that there are multiple versions of React Developer Tools
-        installed and enabled in your browser at the same time, which will cause
-        issues while using the extension.
-      </p>
-      {isInternalFacebookBuild ? (
-        <p>
-          Before proceeding, please ensure that the only enabled version of
-          React Developer Tools is the internal (Chef-installed) version. To
-          manage your extensions, visit the <code>about://extensions</code> page
-          in your browser.
-        </p>
-      ) : (
-        <p>
-          Please ensure that you have installed and enabled only a single
-          version of React Developer Tools before proceeding. To manage your
-          extensions, visit the <code>about://extensions</code> page in your
-          browser.
-        </p>
-      )}
-    </Fragment>
-  );
-}