Remove prefill-only-one-req (#4117)

python/sglang/srt/managers/scheduler.py

@@ -274,10 +274,8 @@ class Scheduler:
                 target_worker=self.tp_worker,
                 dp_rank=dp_rank,
             )
-            self.prefill_only_one_req = True
         else:
             self.draft_worker = None
-            self.prefill_only_one_req = False
 
         # Get token and memory info from the model worker
         (
@@ -1077,8 +1075,6 @@ class Scheduler:
                     else:
                         self.batch_is_full = True
                 break
-            if self.prefill_only_one_req:
-                break
 
         # Update waiting queue
         can_run_list: List[Req] = adder.can_run_list