Remove unneeded contexts in runner specs

spec/uh/wm/runner_spec.rb

@@ -76,21 +76,17 @@ module Uh
       end
 
       describe '#register_event_hooks' do
-        context 'manager' do
         it 'registers manager event hooks' do
           runner.register_event_hooks
           expect(runner.events[:display, :connecting]).not_to be_empty
           expect(runner.events[:display, :connected]).not_to be_empty
         end
-        end
 
-        context 'key bindings' do
         it 'registers key bindings event hooks' do
           runner.register_event_hooks
           expect(runner.events[:key, :q]).not_to be_empty
         end
       end
-      end
 
       describe '#connect_manager' do
         let(:manager)     { instance_spy Manager }