Move remove passes to iterative section. (#16049)

Summary: Pull Request resolved: #16049

Differential Revision: D88109852

Author: eigen-k

backends/cadence/aot/remove_ops.py

@@ -913,7 +913,7 @@ def maybe_remove_or_replace(self, node: Node) -> bool:
         return False
 
 
-class CommonRemovePasses:
+class CadenceRemoveNops:
     passes: List[Type[ExportPass]] = [
         RemoveAliasCopyOpPass,
         RemoveNopExpandOpPass,
@@ -924,12 +924,6 @@ class CommonRemovePasses:
         RemoveSqueezeViewBeforeElementwiseOps,
         RemoveCatFromSliceCopyPass,
         RemoveCloneOpsTransformImported,
-    ]
-
-
-class CadenceRemoveNops:
-    passes: List[Type[ExportPass]] = CommonRemovePasses.passes + [
-        SimplifySliceOpPass,
         RemoveNopRequantizeOpPass,
         RemoveZeroSizedConstantPadNd,
         RemoveContiguousOpPass,