Do not load wx
Do not load wx

wx is no longer included in our default erlang build. This was included
in our release explicitly during the rebar2 -> rebar3 transition to
ensure we matched the rebar2 build as closely as possible.

Signed-off-by: Steven Danna <9ce5770b3bb4b2a1d59be2d97e34379cd192299f@chef.io>

chef/opscode-pushy-server,chef/opscode-pushy-server,chef/opscode-pushy-server