References response includes the definition itself

### Swift version 6.2.4 ### Platform Ubuntu ### Editor VSCode ### Description The references request should only contain uses of the definition, not the definition itself. It can add noise, and sometimes prevent immediate jumping to a single use, because we need to select between the definition itself and the usage). <img width="909" height="310" alt="Image" src="https://github.com/user-attachments/assets/d2e13a92-14d7-4aa9-8664-3e3c0531e293" /> ### Steps to Reproduce _No response_ ### Logging _No response_