onnxruntime

8ac56707 - [VitisAI] Remove unused function body handling in graph fusion (#26519)

[VitisAI] Remove unused function body handling in graph fusion (#26519) ### Description Vitis AI EP graph_fuse memory optimize. This PR removes unused function body handling code in the VitisAI graph fusion implementation. ### Changes - Removed unused function body handling in graph fusion (`onnxruntime/core/providers/vitisai/imp/graph.cc`) ### Context The function body handling code in the graph fusion logic was not being used and can be safely removed to simplify the implementation.