cleanup - config_item_str()

Test:
  git grep config_item_str
  comes up empty

Bug: 144730808
Test: atest clatd_test netd_integration_test
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I1a8f21e55534457718ea58cdab15266b9f232fd3
1 file changed