Remove package libtwin - should be in packages, not trunk

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13594 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/libtwin b/package/libtwin
deleted file mode 120000 (symlink)
index 9192de2..0000000
--- a/package/libtwin
+++ /dev/null
@@ -1 +0,0 @@
-../../packages/libs/libtwin
\ No newline at end of file