Minor cleanup in release.yml

Removed unnecessary env parameter in nuget publish step.

Author: ckadluba

.github/workflows/release.yml

@@ -75,8 +75,6 @@ jobs:
         shell: pwsh
 
       - name: Publish to nuget.org
-        env:
-          NUGET_API_KEY: ${{ secrets.NUGET_API_KEY }}
         run: |
           nuget push artifacts\*.nupkg -Source https://api.nuget.org/v3/index.json -ApiKey ${{ secrets.NUGET_API_KEY }}
         shell: pwsh