client: remove useless icon_path

Signed-off-by: Julien Danjou <julien@danjou.info>

client.c

@@ -1715,7 +1715,6 @@ luaA_client_newindex(lua_State *L)
  * invisible in taskbar.
  * \lfield minimize Define it the client must be iconify, i.e. only visible in
  * taskbar.
- * \lfield icon_path Path to the icon used to identify.
  * \lfield size_hints_honor Honor size hints, i.e. respect size ratio.
  * \lfield border_width The client border width.
  * \lfield border_color The client border color.

client.h

@@ -30,7 +30,6 @@ static void
 client_delete(client_t **c)
 {
     button_array_wipe(&(*c)->buttons);
-    p_delete(&(*c)->icon_path);
     p_delete(&(*c)->name);
     p_delete(c);
 }

structs.h

@@ -221,8 +221,6 @@ struct client_t
     int screen;
     /** Client physical screen */
     int phys_screen;
-    /** Path to an icon */
-    char *icon_path;
     /** Titlebar */
     wibox_t *titlebar;
     /** Button bindings */