remove other changes

DeploymentFiles/deployment-pipeline.yml

@@ -31,13 +31,6 @@ steps:
             echo '##vso[task.setvariable variable=buildConfiguration]Prerelease'
             echo '##vso[task.setvariable variable=isPreRelease]true'
     failOnStderr: true
-    
-- task: UseDotNet@2
-  displayName: 'Use .NET Core sdk'
-  inputs:
-    packageType: sdk
-    version: 3.1.x
-    installationPath: $(Agent.ToolsDirectory)/dotnet
 
 - task: NuGetCommand@2
   displayName: 'Restore nuget packages'
@@ -66,8 +59,6 @@ steps:
 - task: DotNetCoreCLI@2
   displayName: 'Publish projects'
   inputs:
-    packageType: sdk
-    version: 3.1.x
     command: 'publish'
     publishWebProjects: false
     projects: |