Removing 'click_param' as it is no longer used.

include/ALabel.hpp

@@ -19,7 +19,6 @@ class ALabel : public AModule {
  protected:
   Gtk::Label                 label_;
   std::string                format_;
-  std::string                click_param;
   const std::chrono::seconds interval_;
   bool                       alt_ = false;
   std::string                default_format_;

src/modules/idle_inhibitor.cpp

@@ -67,7 +67,6 @@ bool waybar::modules::IdleInhibitor::handleToggle(GdkEventButton* const& e) {
       status = "activated";
     }
     waybar::Client::inst()->idle_inhibitor_status = status;
-    click_param = status;
   }
 
   // Make all other idle inhibitor modules update