Unify spec v2's naming manner. (#15990)

python/sglang/srt/managers/scheduler.py

@@ -1165,7 +1165,7 @@ class Scheduler(
         # TODO(lsyin): support overlap + spec + grammar
         need_grammar_sync = (
             batch
-            and batch.is_eagle_v2
+            and batch.is_spec_v2
             and batch.has_grammar
             and batch.forward_mode.is_decode()
             and len(self.result_queue) > 0
@@ -2225,8 +2225,8 @@ class Scheduler(
                 # FIXME(lsyin): move this assignment elsewhere
                 future_indices_or_next_token_ids = -future_indices.indices
 
-                if batch.is_eagle_v2:
-                    # FIXME(lsyin): tmp code for eagle v2
+                if batch.is_spec_v2:
+                    # FIXME(lsyin): tmp code for spec v2
                     # We only keep future indices for next draft input
 
                     batch.spec_info = batch_result.next_draft_input