[FIX]remove ServerArgs duplicate code (#6485)

python/sglang/srt/server_args.py

@@ -324,12 +324,6 @@ class ServerArgs:
         if self.grammar_backend is None:
             self.grammar_backend = "xgrammar"
 
-        if self.pp_size > 1:
-            self.disable_overlap_schedule = True
-            logger.warning(
-                "Overlap scheduler is disabled because of using pipeline parallelism."
-            )
-
         # Data parallelism attention
         if self.enable_dp_attention:
             self.schedule_conservativeness = self.schedule_conservativeness * 0.3
@@ -1444,8 +1438,6 @@ class ServerArgs:
 
         # FIXME pp constraints
         if self.pp_size > 1:
-            logger.warning(f"Turn off overlap scheule for pipeline parallelism.")
-            self.disable_overlap_schedule = True
             assert (
                 self.disable_overlap_schedule
                 and self.speculative_algorithm is None