remove duplicate xkb_rule_names and xkb_context

Summary: There are already in inner structure xkb in E_Wayland_Compositor.

Test Plan: Build e

Reviewers: raster, devilhorns, zmike

CC: cedric

Differential Revision: https://phab.enlightenment.org/D742

src/bin/e_comp_wl.h

@@ -482,9 +482,6 @@ struct _E_Wayland_Compositor
    Eina_Bool focus : 1;
 
    unsigned int output_pool;
-
-   struct xkb_rule_names xkb_names;
-   struct xkb_context *xkb_context;
 #endif
 
    Ecore_Event_Handler *kbd_handler;