Remove non-existing style from css module example (#765)

Author: yoavbls

src/routes/solid-start/building-your-application/css-and-styling.mdx

@@ -86,7 +86,7 @@ import styles from "./Card.module.css";
 const Card = (props) => {
   return (
     <div class={styles.card}>
-      <h1 class={styles.title}>{props.title}</h1>
+      <h1>{props.title}</h1>
       <p>{props.text}</p>
     </div>
   );