remove obsolete icoPath from settings

Author: jjw24

Plugins/Flow.Launcher.Plugin.PluginsManager/Settings.cs

@@ -10,8 +10,5 @@ internal class Settings
         internal string HotkeyUninstall { get; set; } = "uninstall";
 
         internal string HotkeyUpdate { get; set; } = "update";
-        
-        internal readonly string icoPath = "Images\\pluginsmanager.png";
-        
     }
 }