refactor(theme): remove mouse finder remnants

It was removed back in Awesome v4.0 in 2016.

themes/default/theme.lua

@@ -38,7 +38,6 @@ theme.border_color_marked = "#91231c"
 -- tasklist_[bg|fg]_[focus|urgent]
 -- titlebar_[bg|fg]_[normal|focus]
 -- tooltip_[font|opacity|fg_color|bg_color|border_width|border_color]
--- mouse_finder_[color|timeout|animate_timeout|radius|factor]
 -- prompt_[fg|bg|fg_cursor|bg_cursor|font]
 -- hotkeys_[bg|fg|border_width|border_color|shape|opacity|modifiers_fg|label_bg|label_fg|group_margin|font|description_font]
 -- Example:

themes/gtk/theme.lua

@@ -143,7 +143,6 @@ end
 -- tasklist_[bg|fg|shape|shape_border_color|shape_border_width]_[focus|urgent|minimized]
 -- titlebar_[bg|fg]_[normal|focus]
 -- tooltip_[font|opacity|fg_color|bg_color|border_width|border_color]
--- mouse_finder_[color|timeout|animate_timeout|radius|factor]
 
 theme.tasklist_fg_normal = theme.wibar_fg
 theme.tasklist_bg_normal = theme.wibar_bg

themes/xresources/theme.lua

@@ -42,7 +42,6 @@ theme.border_color_marked = xrdb.color10
 -- tasklist_[bg|fg]_[focus|urgent]
 -- titlebar_[bg|fg]_[normal|focus]
 -- tooltip_[font|opacity|fg_color|bg_color|border_width|border_color]
--- mouse_finder_[color|timeout|animate_timeout|radius|factor]
 -- Example:
 --theme.taglist_bg_focus = "#ff0000"
 

themes/zenburn/theme.lua

@@ -59,11 +59,6 @@ theme.titlebar_bg_normal = "#3F3F3F"
 --theme.border_widget    = "#3F3F3F"
 -- }}}
 
--- {{{ Mouse finder
-theme.mouse_finder_color = "#CC9393"
--- mouse_finder_[timeout|animate_timeout|radius|factor]
--- }}}
-
 -- {{{ Menu
 -- Variables set for theming the menu:
 -- menu_[bg|fg]_[normal|focus]