Update cran-comments

Author: jimhester

cran-comments.md

@@ -2,13 +2,6 @@
 
 This release fixes R CMD check issues in R-devel, as requested by CRAN.
 
-## Test environments
-
-* local: linux-gnu-3.6.1
-* travis: 3.2, 3.3, 3.4, oldrel, release, devel
-* r-hub: windows-x86_64-devel, ubuntu-gcc-release, fedora-clang-devel
-* win-builder: windows-x86_64-devel
-
 ## R CMD check results
 
 0 errors | 0 warnings | 0 note