[webgpu] Remove `global_id` and `workgroup_id` in gemm_utils.cc#26662

guschmue merged 4 commits intomicrosoft:mainmicrosoft/onnxruntime:mainfrom

Jiawei-Shao:fix-global-id-workgroup-idJiawei-Shao/onnxruntime:fix-global-id-workgroup-idCopy head branch name to clipboard