Switch to using public Nuget.org feed (#1178)

* Switch to using public Nuget.org feed

* Add packages

* specify woring directory

* switch to arg

* custom command

* Try using newer nuget

* Use custom command

* Use v1 of task

* Remove assessment update

* Add xliffparser package

* Add resx package

azure-pipelines/build.yml

@@ -18,7 +18,7 @@ steps:
   inputs:
     useGlobalJson: true
 
-- task: DotNetCoreCLI@2
+- task: DotNetCoreCLI@1
   displayName: 'dotnet restore sqltoolsservice.sln'
   inputs:
     command: restore
@@ -43,8 +43,6 @@ steps:
     projects: '$(Build.SourcesDirectory)/src/Microsoft.Kusto.ServiceLayer'
     arguments: '--configuration Release'
 
-- task: NuGetAuthenticate@0
-
 - task: BatchScript@1
   displayName: 'Run script build.cmd'
   inputs: