Fix bug to renable reduction tuning (PART 2)

Author: jataylo

torch/_inductor/runtime/triton_heuristics.py

@@ -2704,7 +2704,7 @@ def outer_config_opt():
 
     result_configs = []
 
-    if not (max_autotune or "y" in size_hints):
+    if not (max_autotune_enabled or "y" in size_hints):
         if reduction_hint == ReductionHint.INNER:
             result_configs = configs + [contiguous_config]
         elif reduction_hint == ReductionHint.OUTER: