Remove test that doesn't add value (acceptance tests do that for this command)

Author: Greg Dubicki

spec/defines/pip_spec.rb

@@ -99,11 +99,6 @@
 
         it { is_expected.not_to contain_exec('pip_install_rpyc').with_unless(%r{search}) }
       end
-      context 'uses a special command to check if latest package is already installed in unless' do
-        let(:params) { { ensure: 'latest' } }
-
-        it { is_expected.to contain_exec('pip_install_rpyc').with_unless('[ $(pip install  rpyc==notreallyaversion 2>&1 | grep -oP \"\(from versions: .*\)\" | sed -E \"s/\(from versions: (.*?, )*(.*)\)/\2/g\" | tr -d \"[:space:]\") = $(pip freeze --all | grep -i -e ^rpyc== | cut -d= -f3 | tr -d \'[:space:]\') ]') }
-      end
       context 'checks installed version of a package by converting underscores in its name to dashes' do
         let(:params) { { ensure: 'latest', pkgname: 'wordpress_json' } }