remove winget/llvm from otel_sdk.yml as newer windows 2022 runner image comes with it

Author: malkia

.github/workflows/otel_sdk.yml

@@ -17,8 +17,6 @@ jobs:
     steps:
       - run: systeminfo
       - run: Get-ChildItem env:* | Sort-Object -Property Name | Format-Table -AutoSize -Wrap
-      - uses: Cyberboss/install-winget@v1
-      - run: winget install LLVM.LLVM --version 18.1.8 --silent --accept-package-agreements --accept-source-agreements
       - uses: actions/checkout@v4
       - uses: actions/cache/restore@v4
         with: