[CustomDevice] use interpreter_core (#46336)

python/paddle/fluid/executor.py

@@ -1555,8 +1555,7 @@ class Executor(object):
             program = pruned_program
 
         def _can_use_interpreter_core(program, place):
-            if core.is_compiled_with_mlu() or isinstance(
-                    place, core.CustomPlace):
+            if core.is_compiled_with_mlu():
                 return False
 
             use_standalone_executor_for_distribution = os.environ.get(