Misc clean up; Remove the support of jump forward (#4032)

python/sglang/srt/managers/detokenizer_manager.py

@@ -57,7 +57,6 @@ DETOKENIZER_MAX_STATES = int(os.environ.get("SGLANG_DETOKENIZER_MAX_STATES", 1 <
 class DecodeStatus:
     """Store the status of incremental decoding."""
 
-    vid: int
     decoded_text: str
     decode_ids: List[int]
     surr_offset: int
@@ -143,10 +142,8 @@ class DetokenizerManager:
         read_ids, surr_ids = [], []
         for i in range(bs):
             rid = recv_obj.rids[i]
-            vid = recv_obj.vids[i]
-            if rid not in self.decode_status or self.decode_status[rid].vid != vid:
+            if rid not in self.decode_status:
                 s = DecodeStatus(
-                    vid=vid,
                     decoded_text=recv_obj.decoded_texts[i],
                     decode_ids=recv_obj.decode_ids[i],
                     surr_offset=0,