yanglint FEATURE do not load ietf-yang-library by default

To avoid validation errors caused by this module.
Fixes #1371
diff --git a/tools/lint/main.c b/tools/lint/main.c
index 44eca9b..280df8c 100644
--- a/tools/lint/main.c
+++ b/tools/lint/main.c
@@ -49,7 +49,7 @@
     linenoiseSetCompletionCallback(complete_cmd);
     load_config();
 
-    if (ly_ctx_new(NULL, 0, &ctx)) {
+    if (ly_ctx_new(NULL, YL_DEFAULT_CTX_OPTIONS, &ctx)) {
         YLMSG_E("Failed to create context.\n");
         return 1;
     }