Revert "[BE][CI] rename .jenkins to .ci, add symlink (#92621)"

This reverts commit 8972a9fe6aa8be8f8035c83094ed371973bfbe73.

Reverted https://github.com/pytorch/pytorch/pull/92621 on behalf of https://github.com/atalman due to breaks shipit

.github/workflows/_win-build.yml

@@ -60,12 +60,6 @@ jobs:
               call C:\Jenkins\Miniconda3\Scripts\activate.bat C:\Jenkins\Miniconda3
               call "C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Auxiliary\Build\vcvarsall.bat" x64
 
-      # Duplicated in win-test because this MUST go before a checkout
-      - name: Enable git symlinks on Windows
-        shell: bash
-        run: |
-          git config --global core.symlinks true
-
       # [see note: pytorch repo ref]
       - name: Checkout PyTorch
         uses: pytorch/pytorch/.github/actions/checkout-pytorch@master

.github/workflows/_win-test.yml

@@ -58,6 +58,11 @@ jobs:
     runs-on: ${{ matrix.runner }}
     timeout-minutes: 300
     steps:
+      - name: Enable git symlinks on Windows
+        shell: bash
+        run: |
+          git config --global core.symlinks true
+
       - name: Setup SSH (Click me for login details)
         uses: pytorch/test-infra/.github/actions/setup-ssh@main
         with:
@@ -73,12 +78,6 @@ jobs:
               call "C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Auxiliary\Build\vcvarsall.bat" x64
               set PYTHONPATH=C:\actions-runner\_work\pytorch\pytorch\build\win_tmp\build
 
-      # Duplicated in win-build because this MUST go before a checkout
-      - name: Enable git symlinks on Windows
-        shell: bash
-        run: |
-          git config --global core.symlinks true
-
       # [see note: pytorch repo ref]
       - name: Checkout PyTorch
         uses: pytorch/pytorch/.github/actions/checkout-pytorch@master

.jenkins

@@ -1 +0,0 @@
-.ci