remove default.conf symlink in git. We will create it in build package,

pointing to the building target

diff --git a/configs/default.conf b/configs/default.conf
deleted file mode 120000 (symlink)
index cb3f1fe..0000000
--- a/configs/default.conf
+++ /dev/null
@@ -1 +0,0 @@
-sl11.2.conf
\ No newline at end of file