remove plexmod timer mode

templates/i3/i3.config.j2

@@ -167,7 +167,6 @@ bindsym $mod+KP_Add exec {{points_up_command}}
 
   # Special modes
   bindsym $plexmod+s mode session
-  bindsym $plexmod+t mode timer
 {% endmacro %}
 {{ overall() }}