Remove NuGet installation and restore tasks from build configurations

Author: JanProvaznik

.exp-insertions.yml

@@ -143,18 +143,6 @@ jobs:
     env:
       ACCESSTOKEN: $(cloudbuild-token)
 
-  - task: NuGetToolInstaller@1
-    displayName: 'Install NuGet.exe'
-
-  - task: NuGetCommand@2
-    displayName: Restore internal tools
-    inputs:
-      command: restore
-      feedsToUse: config
-      restoreSolution: '$(Build.SourcesDirectory)\eng\common\internal\Tools.csproj'
-      nugetConfigPath: '$(Build.SourcesDirectory)\NuGet.config'
-      restoreDirectory: '$(Build.SourcesDirectory)\.packages'
-
   # https://eng.ms/docs/cloud-ai-platform/devdiv/one-engineering-system-1es/1es-docs/1es-security-configuration/configuration-guides/pat-burndown-guidance#authentication-from-pipelines
   # Requires Azure client 2.x
   - task: AzureCLI@2

.vsts-dotnet.yml

@@ -120,9 +120,6 @@ extends:
           value: Products/$(System.TeamProject)/$(Build.Repository.Name)/$(Build.SourceBranchName)/$(Build.BuildNumber)
 
         steps:
-        - task: NuGetToolInstaller@1
-          displayName: 'Install NuGet.exe'
-
         - task: PowerShell@2
           displayName: Setup Private Feeds Credentials
           inputs:
@@ -131,15 +128,6 @@ extends:
           env:
             Token: $(dn-bot-dnceng-artifact-feeds-rw)
 
-        - task: NuGetCommand@2
-          displayName: Restore internal tools
-          inputs:
-            command: restore
-            feedsToUse: config
-            restoreSolution: 'eng\common\internal\Tools.csproj'
-            nugetConfigPath: 'NuGet.config'
-            restoreDirectory: '$(Build.SourcesDirectory)\.packages'
-
         - task: ms-vseng.MicroBuildTasks.30666190-6959-11e5-9f96-f56098202fef.MicroBuildSigningPlugin@1
           inputs:
             signType: $(SignType)