Remove Rebuild/restart commands in 4.6 mig.

already handled in `main`

Author: pwizla

docusaurus/docs/dev-docs/migration/v4/migration-guide-4.6.1-to-4.7.0.md

@@ -88,9 +88,5 @@ export default ({ env }) => ({
 </TabItem>
 </Tabs>
 
-## Rebuild the application
-
 <BuildCommand components={props.components} />
-
-## Restart the application
 <DevelopCommand components={props.components} />