Remove beta banner

Author: Leah-Xia-Microsoft

packages/storybook/stories/ImageGallery/ImageGallery.stories.tsx

@@ -5,7 +5,6 @@ import { ImageGallery as ImageGalleryComponent } from '@azure/communication-reac
 import { ArgsTable, Title, Description, Heading, Source, Canvas } from '@storybook/addon-docs';
 import { Meta } from '@storybook/react/types-6-0';
 import React from 'react';
-import { DetailedBetaBanner } from '../BetaBanners/DetailedBetaBanner';
 import { COMPONENT_FOLDER_PREFIX } from '../constants';
 
 import { ImageGalleryExample } from './snippets/ImageGallery.snippet';
@@ -17,7 +16,6 @@ const getDocs: () => JSX.Element = () => {
   return (
     <>
       <Title>ImageGallery</Title>
-      <DetailedBetaBanner />
       <Description>
         Component to display image in a gallery. The gallery launches as a modal, it takes focus from the page or app
         and require users to interact with them.

packages/storybook/stories/MessageThread/MessageThread.stories.tsx

@@ -326,7 +326,6 @@ const Docs: () => JSX.Element = () => {
 
       <div ref={refDisplayInlineImages}>
         <Heading>Display Inline Image with Messages</Heading>
-        <SingleLineBetaBanner />
         <Description>
           MessageThread component provides UI for displaying inline image attachments in a message. If an image is
           protected by header-based authentication, developers can write there own HTTP call to get the image so you can