eo - fix freeq usage to not use freeq for a vtable cleaning

the freeq can't allow things to access the content of the pointer
because the content canbe written over by canary handling qhen
submitted to the freeq. clear it inline then just submit the final
pointer to the freeq.

@fix

src/lib/eo/eo.c

@@ -1188,7 +1188,7 @@ static void
 _vtable_free(Eo_Vtable *vtable)
 {
    if (!vtable) return;
-   eina_freeq_ptr_main_add(vtable, EINA_FREE_CB(_vtable_func_clean_all), 0);
+   _vtable_func_clean_all(vtable);
    eina_freeq_ptr_main_add(vtable, free, sizeof(*vtable));
 }