Revert "Redirect on examples when no mapper"

This reverts commit d6e0062.

Author: rvsia

packages/react-renderer-demo/src/components/component-example.js

@@ -157,14 +157,9 @@ const mapperTab = {
 
 const ComponentExample = ({ variants, schema, activeMapper, component }) => {
   const activeTab = mapperTab[activeMapper];
-  const { pathname, push, query, asPath } = useRouter();
+  const { pathname, push } = useRouter();
   const classes = useStyles();
   useEffect(() => {
-    if (!query?.mapper) {
-      const [path, hash] = asPath.split('#');
-      push(`${path}?mapper=mui${hash ? `#${hash}` : ''}`);
-    }
-
     sdk.embedProject(
       'code-target',
       {