fix: only one panel at a time

spec/command_parsing_spec.lua

@@ -33,13 +33,9 @@ describe('cp command parsing', function()
       get_problem_id = function()
         return 'a'
       end,
-      is_run_panel_active = function()
-        return false
-      end,
       set_platform = function() end,
       set_contest_id = function() end,
       set_problem_id = function() end,
-      set_run_panel_active = function() end,
     }
     package.loaded['cp.state'] = mock_state