[build] package.gni does not need board.gni

Change-Id: I00011392403d28e0b32cfb65ed16c8ace61bd2a5
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/378157
Reviewed-by: Adam Barth <abarth@google.com>
Commit-Queue: Shai Barack <shayba@google.com>
diff --git a/build/package.gni b/build/package.gni
index 4305de6..dd447e7 100644
--- a/build/package.gni
+++ b/build/package.gni
@@ -2,7 +2,6 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import("//build/board.gni")
 import("//build/cmx/cmx.gni")
 import("//build/compiled_action.gni")
 import("//build/images/args.gni")