cellmgr: Remove bogus include file
diff --git a/configure.ac b/configure.ac
index 288fdad..f6bc334 100644
--- a/configure.ac
+++ b/configure.ac
@@ -38,7 +38,6 @@
 AC_OUTPUT(
     include/Makefile
     include/mgcp/Makefile
-    include/openbsc_nat/Makefile
     src/Makefile
     tests/Makefile
     tests/mtp/Makefile