Revert "bugfix: When we free the pixmap, clear any user data set on the resource"

This reverts commit b41dbbe9cf.

Revert this ... it works, but it's not the "proper" fix as it just
causes the crash(s) to happen elsewhere ... time to dig deeper

src/bin/e_pixmap.c

@@ -97,7 +97,7 @@ _e_pixmap_free(E_Pixmap *cp)
         break;
       case E_PIXMAP_TYPE_WL:
 #if defined(HAVE_WAYLAND_CLIENTS) || defined(HAVE_WAYLAND_ONLY)
-        if (cp->resource) wl_resource_set_user_data(cp->resource, NULL);
+        /* NB: No-Op. Nothing to free. image data no longer memcpy'd */
 #endif
         break;
       default: