compiler: relicense to public domain.

[ccan] / ccan / compiler / LICENSE

diff --git a/ccan/compiler/LICENSE b/ccan/compiler/LICENSE
deleted file mode 120000 (symlink)
index 7455044..0000000
--- a/ccan/compiler/LICENSE
+++ /dev/null
@@ -1 +0,0 @@
-../../licenses/LGPL-3
\ No newline at end of file