Fix publishing and don't run formatting tests in official builds

Author: mmitche

.vsts-ci.yml

@@ -16,16 +16,8 @@ pr:
 
 
 variables:
-  - name: teamName
-    value: Roslyn-Project-System
-  - name: _DotNetPublishToBlobFeed
-    value: false
   - name: _CIBuild
     value: -restore -build -sign -pack -ci
-  - name: _DotNetArtifactsCategory
-    value: .NETCore
-  - name: _DotNetValidationArtifactsCategory
-    value: .NETCore
   - ${{ if or(startswith(variables['Build.SourceBranch'], 'refs/heads/release/'), startswith(variables['Build.SourceBranch'], 'refs/heads/internal/release/'), eq(variables['Build.Reason'], 'Manual')) }}:
     - name: PostBuildSign
       value: false

eng/build.yml

@@ -50,8 +50,6 @@ jobs:
           value: DotNetCore
         - name: _OfficialBuildIdArgs
           value: ''
-        - name: _PublishArgs
-          value: ''
         - name: _SignArgs
           value: ''
         - name: _HelixApiToken