Simplify / speedup how we find the font directory
Simplify / speedup how we find the font directory

It was pointed out that this directory can't be changed so we can assume it's under windir and speedup the whole cookbook

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>

rlaveycal/windows,chef-cookbooks/windows,opscode-cookbooks/windows