Temporarily disable view-copy partitioning in XNNPACK (#16226)

Summary: There is a bug in handling of view copy in the XNNPACK backend.
I'm temporarily disabling partitioning while I investigate.

Differential Revision: D89068746

Author: GregoryComer

backends/xnnpack/partition/config/__init__.py

@@ -55,7 +55,6 @@
     TanhConfig,
     ToDimOrderCopyConfig,
     UpsampleBilinear2dConfig,
-    ViewCopyConfig,
 )
 from executorch.backends.xnnpack.partition.config.node_configs import (
     BatchNormConfig,
@@ -116,7 +115,6 @@
     SquareRootConfig,
     SubConfig,
     UpsampleBilinear2dConfig,
-    ViewCopyConfig,
     # Quant/Dequant Op Configs
     QuantizedPerTensorConfig,
     DeQuantizedPerTensorConfig,