cleanup - remove config.c

Test:
  git grep 'config[.]c'
  comes up empty

Bug: 144730808
Test: atest clatd_test netd_integration_test
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I8500881852f1255a69b49eba6354777883fe438f
4 files changed