chore(docs): Remove duplicate examples (#570)

Looks like a rebase gave us some duplicate examples in the BotMessage section.

Author: rebeccaalpert

packages/module/patternfly-docs/content/extensions/chatbot/examples/Messages/BotMessage.tsx

@@ -225,14 +225,6 @@ _Italic text, formatted with single underscores_
         content="This bot has a square avatar. You can further customize the avatar by applying an additional class or passing [PatternFly avatar props](/components/avatar) to the `<Message>` component via `avatarProps`."
         hasRoundAvatar={false}
       />
-      <Message
-        name="Bot"
-        role="bot"
-        avatar={patternflyAvatar}
-        content={`Text-based message from a bot named "Bot," with updated timestamp`}
-        timestamp="1 hour ago"
-      />
-      <Message name="Bot" role="bot" avatar={patternflyAvatar} content="Example content" isLoading />
       <Select
         id="single-select"
         isOpen={isOpen}