feat: 아바타 배경 색 제거

Author: Jxxunnn

src/chat/components/ChatAvatar.tsx

@@ -1,6 +1,6 @@
+import NewChatBotProfileImage from "@/shared/assets/images/new-chatbot-profile.png";
 import Image from "next/image";
 import { css } from "styled-components";
-import NewChatBotProfileImage from "@/shared/assets/images/new-chatbot-profile.png";
 export default function ChatAvatar() {
   return (
     <Image
@@ -10,7 +10,6 @@ export default function ChatAvatar() {
       height={36}
       css={css`
         border-radius: 50%;
-        background-color: ${({ theme }) => theme.colors.grey10};
       `}
     />
   );