build with the visual studio included in the image

Author: aminya

script/vsts/platforms/templates/preparation.yml

@@ -42,11 +42,6 @@ steps:
       versionSpec: '3.8'
     condition: eq(variables['Agent.OS'], 'Windows_NT')
 
-  - script: |
-      npm install --global --production windows-build-tools@4
-    displayName: Install windows build tools
-    condition: eq(variables['Agent.OS'], 'Windows_NT')
-
   - script: |
       ECHO Installing npm-windows-upgrade
       npm install --global --production npm-windows-upgrade