Revert "Try with 2017"

mlang · mlang · commit 4a0910498130 · 2017-12-07T13:37:01.000+01:00
This reverts commit b6d4d12.
diff --git a/appveyor.yml b/appveyor.yml
@@ -1,5 +1,4 @@
 version: 1.0.{build}
-image: Visual Studio 2017
 build:
   verbosity: minimal
   project: bmc.sln
