ci/fuzz: less sensitive list-app-layer-protos

Disable the logging to console, so that we can parse more reliably
the list of app-layer protos, that we will use to create the list
of app-layer fuzz targets.

.clusterfuzzlite/build.sh

@@ -86,7 +86,7 @@ make -j$(nproc)
 
 date
 
-./src/suricata --list-app-layer-protos | tail -n +2 | while read i; do cp src/fuzz_applayerparserparse $OUT/fuzz_applayerparserparse""_$i; done
+SC_LOG_OP_IFACE=file SC_LOG_FILE=/dev/null ./src/suricata --list-app-layer-protos | tail -n +2 | while read i; do cp src/fuzz_applayerparserparse $OUT/fuzz_applayerparserparse""_$i; done
 
 (
 cd src