Revert "Dl/peephole optimize" (#484)

Reverts #482

Author: weinbe58

src/kirin/rewrite/__init__.py

@@ -8,7 +8,6 @@
 from .getitem import InlineGetItem as InlineGetItem
 from .fixpoint import Fixpoint as Fixpoint
 from .getfield import InlineGetField as InlineGetField
-from .peephole import PeepholeOptimize as PeepholeOptimize
 from .apply_type import ApplyType as ApplyType
 from .compactify import CFGCompactify as CFGCompactify
 from .wrap_const import WrapConst as WrapConst