Delete tools/ci_build/github/azure-pipelines/win-gpu-ci-pipeline.yml (#21529)

### Description
Delete tools/ci_build/github/azure-pipelines/win-gpu-ci-pipeline.yml


### Motivation and Context
This CI pipeline has been divided into 4 different pipeline.

tools/ci_build/github/azure-pipelines/win-gpu-ci-pipeline.yml

@@ -1,125 +0,0 @@
-##### start trigger Don't edit it manually, Please do edit set-trigger-rules.py ####
-trigger:
-  branches:
-    include:
-    - main
-    - rel-*
-  paths:
-    exclude:
-    - docs/**
-    - README.md
-    - CONTRIBUTING.md
-    - BUILD.md
-    - 'js/web'
-    - 'onnxruntime/core/providers/js'
-pr:
-  branches:
-    include:
-    - main
-    - rel-*
-  paths:
-    exclude:
-    - docs/**
-    - README.md
-    - CONTRIBUTING.md
-    - BUILD.md
-    - 'js/web'
-    - 'onnxruntime/core/providers/js'
-#### end trigger ####
-
-parameters:
-- name: CudaVersion
-  displayName: CUDA version
-  type: string
-  default: '12.2'
-  values:
-    - 11.8
-    - 12.2
-- name: RunOnnxRuntimeTests
-  displayName: Run Tests?
-  type: boolean
-  default: true
-
-stages:
-- stage: cuda
-  dependsOn: []
-  jobs:
-    - template: templates/jobs/win-ci-vs-2022-job.yml
-      parameters:
-        BuildConfig: 'RelWithDebInfo'
-        EnvSetupScript: setup_env_cuda.bat
-        buildArch: x64
-        additionalBuildFlags: >-
-          --enable_pybind --build_java --build_nodejs --use_cuda --cuda_home="$(Agent.TempDirectory)\v${{ parameters.CudaVersion }}"
-          --enable_cuda_profiling --enable_transformers_tool_test
-          --cmake_extra_defines CMAKE_CUDA_ARCHITECTURES=86
-          --cmake_extra_defines onnxruntime_BUILD_UNIT_TESTS=ON
-          --cmake_extra_defines onnxruntime_ENABLE_CUDA_EP_INTERNAL_TESTS=ON
-        msbuildPlatform: x64
-        isX86: false
-        job_name_suffix: x64_RelWithDebInfo
-        RunOnnxRuntimeTests: ${{ parameters.RunOnnxRuntimeTests }}
-        ORT_EP_NAME: CUDA
-        WITH_CACHE: true
-        MachinePool: onnxruntime-Win2022-GPU-A10
-
-- stage: training
-  dependsOn: []
-  jobs:
-    - template: templates/jobs/win-ci-vs-2022-job.yml
-      parameters:
-        BuildConfig: 'RelWithDebInfo'
-        EnvSetupScript: setup_env_cuda.bat
-        buildArch: x64
-        additionalBuildFlags: >-
-          --enable_pybind --enable_training --use_cuda --cuda_home="$(Agent.TempDirectory)\v${{ parameters.CudaVersion }}"
-          --skip_onnx_tests
-          --cmake_extra_defines CMAKE_CUDA_ARCHITECTURES=86
-        msbuildPlatform: x64
-        isX86: false
-        job_name_suffix: x64_RelWithDebInfo
-        RunOnnxRuntimeTests: ${{ parameters.RunOnnxRuntimeTests }}
-        ORT_EP_NAME: CUDA
-        WITH_CACHE: true
-        MachinePool: onnxruntime-Win2022-GPU-A10
-        isTraining: true
-
-- stage: dml
-  dependsOn: []
-  jobs:
-    - template: templates/jobs/win-ci-vs-2022-job.yml
-      parameters:
-        BuildConfig: 'RelWithDebInfo'
-        EnvSetupScript: setup_env.bat
-        buildArch: x64
-        additionalBuildFlags: --enable_pybind --use_dml --enable_wcos  --use_winml
-        msbuildPlatform: x64
-        isX86: false
-        job_name_suffix: x64_RelWithDebInfo
-        RunOnnxRuntimeTests: ${{ parameters.RunOnnxRuntimeTests }}
-        ORT_EP_NAME: DML
-        WITH_CACHE: false
-        MachinePool: onnxruntime-Win2022-GPU-dml-A10
-
-- stage: kernelDocumentation
-  dependsOn: []
-  jobs:
-    - template: templates/jobs/win-ci-vs-2022-job.yml
-      parameters:
-        BuildConfig: 'RelWithDebInfo'
-        EnvSetupScript: setup_env_cuda.bat
-        buildArch: x64
-        # note: need to specify `--gen_doc` when creating the build config so it has to be in additionalBuildFlags
-        additionalBuildFlags: >-
-          --gen_doc validate --skip_tests --enable_pybind --use_dml --use_cuda
-          --cuda_home="$(Agent.TempDirectory)\v${{ parameters.CudaVersion }}"
-          --cmake_extra_defines CMAKE_CUDA_ARCHITECTURES=86
-          --cmake_extra_defines onnxruntime_BUILD_UNIT_TESTS=OFF
-        msbuildPlatform: x64
-        isX86: false
-        job_name_suffix: x64_RelWithDebInfo
-        RunOnnxRuntimeTests: false
-        GenerateDocumentation: true
-        ORT_EP_NAME: CUDA # It doesn't really matter which EP is selected here since this stage is for documentation.
-        WITH_CACHE: true
-        MachinePool: onnxruntime-Win2022-GPU-A10