Remove controller tests folder.
Remove controller tests folder.

Controller tests provide little indication as to whether the actual
app is working. Coverage should be provided by integration tests.

klgilbert/ruby-bench-web,davydovanton/ruby-bench-web,hanmd82/ruby-bench-web,ruby-bench/ruby-bench-web,tgxworld/ruby-bench-web,tgxworld/ruby-bench-web,davydovanton/ruby-bench-web,treble37/ruby-bench-web,hanmd82/ruby-bench-web,klgilbert/ruby-bench-web,hanmd82/ruby-bench-web,bmarkons/ruby-bench-web,davydovanton/ruby-bench-web,treble37/ruby-bench-web,klgilbert/ruby-bench-web,ruby-bench/ruby-bench-web,bmarkons/ruby-bench-web,tgxworld/ruby-bench-web,bmarkons/ruby-bench-web,treble37/ruby-bench-web,ruby-bench/ruby-bench-web