style: remove unnecessary blank lines

- Deleted two unnecessary blank lines at the end of the 'Request' class
- This commit focuses on code cleanup and improving file structure

Author: TechWithDunamix

nexios/http/request.py

@@ -587,3 +587,5 @@ def bearer_token(self) -> str:
         if not auth.startswith("Bearer "):
             return ""
         return auth[7:]
+
+