chore(ct): cancel needless apps ct

scripts/find-apps.sh

@@ -7,7 +7,7 @@ cd -P -- "$(dirname -- "$0")/.."
 
 find_app() {
     local appdir="$1"
-    find "${appdir}" -mindepth 1 -maxdepth 1 -type d
+    find "${appdir}" -mindepth 1 -maxdepth 1 -type d | grep -vE "emqx_exhook|emqx_exproto|emqx_lwm2m|emqx_sn|emqx_coap|emqx_stomp"
 }
 
 find_app 'apps'