### Description 1. New windows ci build steps template. 2. Remove useless variables. ### Motivation and Context 1. Make it easier to apply build cache to all windows CIs. 2. Other team's devs only need to take care of build options ###Comparision Before: 9f21f694cf/tools/ci_build/github/azure-pipelines/win-gpu-tensorrt-ci-pipeline.yml (L19-L82) After: b4c1f2261b/tools/ci_build/github/azure-pipelines/win-gpu-tensorrt-ci-pipeline.yml (L35-L54)
9f21f694cf/tools/ci_build/github/azure-pipelines/win-gpu-tensorrt-ci-pipeline.yml (L19-L82)
b4c1f2261b/tools/ci_build/github/azure-pipelines/win-gpu-tensorrt-ci-pipeline.yml (L35-L54)