Remove environment support in .yml, #1257

examples/chef/cookbooks/sidekiq/templates/default/sidekiq.yml.erb

@@ -2,9 +2,6 @@
 <% if @verbose %>
 :verbose: <%= @verbose %>
 <% end %>
-<% if @environment %>
-:environment: <%= @environment %>
-<% end %>
 <% if @require %>
 :require: <%= @require %>
 <% end %>

test/config.yml

@@ -1,6 +1,5 @@
 ---
 :verbose:      false
-:environment:  xzibit
 :require:      ./test/fake_env.rb
 :pidfile:      /tmp/sidekiq-config-test.pid
 :logfile:      /tmp/sidekiq.log

test/test_cli.rb

@@ -174,8 +174,8 @@ class TestCli < Sidekiq::Test
         assert_equal './test/fake_env.rb', Sidekiq.options[:require]
       end
 
-      it 'sets environment' do
-        assert_equal 'xzibit', Sidekiq.options[:environment]
+      it 'does not set environment' do
+        assert_equal nil, Sidekiq.options[:environment]
       end
 
       it 'sets concurrency' do