ref(version): remove unneeded APIVersion const that was moved to sdk (#86)

Author: Joshua-Anderson

version/version.go

@@ -3,9 +3,6 @@ package version
 // Version identifies this Deis product revision.
 const Version = "2.1.0-dev"
 
-// APIVersion identifies the latest Deis api version
-const APIVersion = "2.0"
-
 // BuildVersion is the git revision of the build.
 // Note: This value is overwritten by the linker during build
 var BuildVersion = ""