Revert "Add windows ci build (#1049)" (#1094)

This reverts commit b97599a.

Author: brianjo

.circleci/config.yml

@@ -1,12 +1,5 @@
 version: 2.1
 
-executors:
-  windows-with-nvidia-gpu:
-    machine:
-      resource_class: windows.gpu.nvidia.medium
-      image: windows-server-2019-nvidia:stable
-      shell: bash.exe
-
 install_official_git_client: &install_official_git_client
   name: Install Official Git Client
   no_output_timeout: "1h"
@@ -182,20 +175,6 @@ pytorch_tutorial_build_manager_defaults: &pytorch_tutorial_build_manager_default
   resource_class: medium
   <<: *pytorch_tutorial_build_defaults
 
-pytorch_windows_build: &pytorch_windows_build
-  executor: windows-with-nvidia-gpu
-  steps:
-    - checkout
-    - run:
-        name: Install Cuda
-        no_output_timeout: 30m
-        command: |
-          .circleci/scripts/windows_cuda_install.sh
-    - run:
-        name: test
-        command: |
-          .circleci/scripts/build_for_windows.sh
-
 jobs:
   pytorch_tutorial_pr_build_worker_0:
     <<: *pytorch_tutorial_build_worker_defaults
@@ -323,9 +302,6 @@ jobs:
   pytorch_tutorial_master_build_manager:
     <<: *pytorch_tutorial_build_manager_defaults
 
-  pytorch_windows_build_worker:
-    <<: *pytorch_windows_build
-
 workflows:
   build:
     jobs:
@@ -562,10 +538,3 @@ workflows:
             branches:
               only:
                 - master
-      - pytorch_windows_build_worker:
-          name: win_test_worker
-          filters:
-            branches:
-              only:
-                - master
-