Minor fixes

app/components/Editor/components/Code.js

@@ -4,7 +4,6 @@ import styled from 'styled-components';
 import CopyButton from './CopyButton';
 import { color } from 'shared/styles/constants';
 import type { Props } from '../types';
-import 'shared/styles/prism.css';
 
 export default function Code({ children, node, readOnly, attributes }: Props) {
   const language = node.data.get('language') || 'javascript';

app/components/Editor/components/Heading.js

@@ -27,7 +27,6 @@ function Heading(props: Props) {
     children,
     component = 'h1',
     attributes,
-    ...rest
   } = props;
   const parentIsDocument = parent instanceof Document;
   const firstHeading = parentIsDocument && parent.nodes.first() === node;
@@ -41,7 +40,7 @@ function Heading(props: Props) {
     emoji && title.match(new RegExp(`^${emoji}\\s`));
 
   return (
-    <Component {...attributes} {...rest} id={slugish}>
+    <Component {...attributes} id={slugish}>
       <Wrapper hasEmoji={startsWithEmojiAndSpace}>
         {children}
       </Wrapper>