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
diff --git a/clatd.c b/clatd.c
index d29b7ed..7063215 100644
--- a/clatd.c
+++ b/clatd.c
@@ -51,6 +51,8 @@
 #include "setif.h"
 #include "translate.h"
 
+struct clat_config Global_Clatd_Config;
+
 /* 40 bytes IPv6 header - 20 bytes IPv4 header + 8 bytes fragment header */
 #define MTU_DELTA 28