GHA/windows: drop git config core.autocrlf input steps

CI works without it now. For an inexplicable reason, this single `git`
command took 9 seconds per job, making this patch save more than
2 minutes per workflow run. It was also the only step using PowerShell.

Closes #19150

.github/workflows/windows.yml

@@ -57,8 +57,6 @@ jobs:
           - { build: 'cmake'    , platform: 'x86_64', tflags: ''       , config: '-DENABLE_DEBUG=ON -DCURL_USE_OPENSSL=ON -DENABLE_THREADED_RESOLVER=OFF', install: 'libssl-devel libssh2-devel', name: 'openssl' }
       fail-fast: false
     steps:
-      - run: git config --global core.autocrlf input
-        shell: pwsh
       - uses: cygwin/cygwin-install-action@f2009323764960f80959895c7bc3bb30210afe4d # v6
         with:
           platform: ${{ matrix.platform }}
@@ -220,9 +218,6 @@ jobs:
           - { build: 'cmake'    , sys: 'mingw32'   , env: 'i686'         , tflags: 'skiprun', config: '-DENABLE_DEBUG=OFF -DBUILD_SHARED_LIBS=ON  -DCURL_USE_SCHANNEL=ON -DENABLE_UNICODE=ON', install: 'mingw-w64-i686-libssh2', type: 'Release', name: 'schannel R' }
       fail-fast: false
     steps:
-      - run: git config --global core.autocrlf input
-        shell: pwsh
-
       - uses: msys2/setup-msys2@fb197b72ce45fb24f17bf3f807a388985654d1f2 # v2.29.0
         if: ${{ matrix.sys == 'msys' }}
         with:
@@ -500,8 +495,6 @@ jobs:
           rm -r -f pack.bin
           ls -l
 
-      - run: git config --global core.autocrlf input
-
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false