coverity: disable building asn1c

Change-Id: I5cf91c0a7516d77278a3fb2e41ba029a3efc7f25
diff --git a/coverity/build_Osmocom.sh b/coverity/build_Osmocom.sh
index a7f8cdd..6740571 100755
--- a/coverity/build_Osmocom.sh
+++ b/coverity/build_Osmocom.sh
@@ -36,13 +36,6 @@
 	popd
 }
 
-build_libasn1c() {
-	pushd libasn1c
-	do_build
-	sed -i s,'#include "config.h"','/*#include "config.h"*/', "$prefix/include/asn1c/asn_system.h"
-	popd
-}
-
 build_libusrp() {
 	pushd libusrp
 	PM=$PARALLEL_MAKE
@@ -69,7 +62,6 @@
 rm -rf "$prefix"
 
 build_layer1api
-build_default asn1c
 build_default libosmocore
 build_libasn1c
 build_libusrp
diff --git a/coverity/prepare_source_Osmocom.sh b/coverity/prepare_source_Osmocom.sh
index 11b7e5c..dae6763 100755
--- a/coverity/prepare_source_Osmocom.sh
+++ b/coverity/prepare_source_Osmocom.sh
@@ -5,7 +5,6 @@
 cd $BASEDIR
 
 for proj in \
-  asn1c \
   libasn1c \
   libosmo-abis \
   libosmocore \