Update typescript-support.mdx

Author: ajay-dhangar

docs/typescript-support.mdx

@@ -106,7 +106,7 @@ export default config;
 When swizzling (overriding) components, add the `--typescript` flag
 to generate TypeScript files:
 
-```bash npm2yarn
+```bash
 npm run swizzle @docusaurus/theme-classic Footer -- --typescript
 ```