Buck: Make deps to $(location :foo) implicitly

Apply [1] on our Buck tree.

[1] https://github.com/facebook/buck/issues/128

Change-Id: Ia00a9fa2e4786a961e84fd5266ef97f364cec61e

BUCK

diff --git a/BUCK b/BUCK
index 41bc1cc..4c72c31 100644
--- a/BUCK
+++ b/BUCK
@@ -37,7 +37,6 @@
     genrule(
       name = t,
       cmd = 'ln -s $(location %s) $OUT' % d,
-      deps = [d],
       out = out,
     )