Update cran-comments given that no errors currently being reported.

Author: dmcglinn

cran-comments.md

@@ -20,12 +20,4 @@ This is a new package submission.
 * No warnings or errors
 
 ### on win-builder (devel & release)
-* checking PDF version of manual ... WARNING
-LaTeX errors when creating PDF version.
-This typically indicates Rd problems.
-* checking PDF version of manual without hyperrefs or index ... ERROR
-
-The warning and error on win-builder are both related to a latex error in the
-building of the package manual. On my local windows X environment, I successfully
-built the pdf from source using R CMD Rd2pdf which suggests that this warning
-may be erroneous.
+* No warnings or errors