elementary: remove deprecated API

elementary: remove deprecated API

The elm_ctxpopup_direction_available_get should have been removed by
commit 9d0e1d766c4485df85416d8c1c0ae77354cc8813

[Commit Details]
   - commit 9d0e1d766c4485df85416d8c1c0ae77354cc8813
   - Author: Shinwoo Kim <cinoo.kim@samsung.com>
   - Date:   Wed May 22 16:52:37 2019 +0900

       elementary: remove deprecated API

       Following API was deprecated from 2.4.

       - elm_ctxpopup_direction_available_get (ACR-319)
       - elm_win_profiles_set (ACR-353)

       It is time to remove. This patch is related to ACR-1373.

Change-Id: Ic5e073fcc54cdfa9d9089d74a4c0de94009bc62b