remove redundant if

Signed-off-by: Ryan O'Leary <ryanaoleary@google.com>

Author: ryanaoleary

python/ray/llm/_internal/serve/core/configs/accelerators.py

@@ -200,8 +200,7 @@ def default_bundles(
         num_hosts = max(1, num_devices // chips_per_host)
 
         bundle = {"TPU": float(chips_per_host)}
-        if accelerator_type_str:
-            bundle[format_ray_accelerator_resource(accelerator_type_str)] = 0.001
+        bundle[format_ray_accelerator_resource(accelerator_type_str)] = 0.001
 
         return [bundle.copy() for _ in range(num_hosts)]