Remove go:generate causing errors

sbarzowski · sbarzowski · commit 2406c8bc9008 · 2017-09-29T11:56:13.000-04:00
diff --git a/doc.go b/doc.go
@@ -25,5 +25,3 @@ text.
 See http://jsonnet.org/ for a full language description and tutorial.
 */
 package jsonnet
-
-//go:generate gen
