Revert "Add attributes_get for widget item."

Revert "Add attributes_get for widget item."

This reverts commit 4c823fdb553759b51d86a09bfa48b94f64a70fc7.

(gdb) bt
 raise () from /lib/libc.so.6
 abort () from /lib/libc.so.6
 ?? () from /lib/libdbus-1.so.3
 _dbus_warn_check_failed () from /lib/libdbus-1.so.3
 dbus_message_iter_append_basic () from /lib/libdbus-1.so.3
 append_basic (type=<optimized out>, vl=vl@entry=0xbe92cdc0, iter=iter@entry=0xb917df28) at lib/eldbus/eldbus_message.c:449
 _eldbus_message_iter_arguments_vappend (aq=0xbe92cdc0, signature=0xb917df18 "\a", iter=0xb917df18) at lib/eldbus/eldbus_message.c:311
 eldbus_message_iter_arguments_vappend (iter=iter@entry=0xb917df18, signature=signature@entry=0xbe92ce30 "\200\257\364\270", ap=..., ap@entry=...) at lib/eldbus/eldbus_message.c:372
  eldbus_message_iter_arguments_append (iter=iter@entry=0xb917df18, signature=0xb6f309a0 "ss") at lib/eldbus/eldbus_message.c:387
  _accessible_reading_material_get (iface=<optimized out>, msg=<optimized out>) at elm_atspi_bridge.c:1213
  _object_handler (dbus_conn=<optimized out>, msg=<optimized out>, user_data=0xb8fc9610) at lib/eldbus/eldbus_service.c:1363
  ?? () from /lib/libdbus-1.so.3
  dbus_connection_dispatch () from /lib/libdbus-1.so.3
  eldbus_idler (data=0xb905fae0) at lib/eldbus/eldbus_core.c:777
  _ecore_call_task_cb (data=<optimized out>, func=<optimized out>) at lib/ecore/ecore_private.h:349
 _ecore_idler_all_call () at lib/ecore/ecore_idler.c:157
  _ecore_main_loop_spin_core () at lib/ecore/ecore_main.c:1852
  _ecore_main_loop_spin_timers () at lib/ecore/ecore_main.c:1886
 _ecore_main_loop_iterate_internal (once_only=once_only@entry=0) at lib/ecore/ecore_main.c:2009
  ecore_main_loop_begin () at lib/ecore/ecore_main.c:1042
  appcore_base_init () from /lib/libappcore-common.so.1
  appcore_ui_base_init () from /lib/libappcore-ui.so.1
  appcore_efl_base_init () from /lib/libappcore-efl.so.1
  ?? () from /lib/libcapi-appfw-application.so.0
  ui_app_main () from /lib/libcapi-appfw-application.so.0
  ?? ()
  __libc_start_main () from /lib/libc.so.6
  _start ()

Change-Id: Ia1bac8f0725f19b93251c2b86f40af7acd19346a