Drop html.sty in favour of url.sty

The latter is part of the core TeX Live distribution which is readily
available on all major operating systems.

sane.tex

@@ -1,6 +1,6 @@
 \documentclass[11pt]{report}
 
-\usepackage{times,graphicx,html}
+\usepackage{times,graphicx,url}
 % Not Currently using changebar package so comment out to reduce
 % external dependencies.
 %\usepackage{changebar}