Can we get rid of uses_backend #11048
Description
🚀 The feature, motivation and pitch
Usage: https://github.com/search?q=repo%3Apytorch%2Fexecutorch%20uses_backend&type=code
This can be done by client, using get_backend_name().
This could reduce binary size a bit? 🤔
Alternatives
No response
Additional context
No response
RFC (Optional)
No response