Remove profiled build task from AppVeyor (#1319)

As it was removed on the website on fb46709fda, we don't need to build it anymore.

This also cut the build time and allow us more flexibility for hotfixes if needed.

appveyor.yml

@@ -8,9 +8,6 @@ environment:
   matrix:
     - config: Release
       config_name: '-'
-
-    - config: Profile Release
-      config_name: '-profiled-'
 build_script:
 - ps: >-
     dotnet --version