Remove dependencies from bindings_generator target

This way targets that only need js files to be generated can depend on
it.

BUG=none
TEST=none
[email protected]

Review URL: https://codereview.chromium.org/196243004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256545 0039d316-1c4b-4281-b951-d872f2087c98
5 files changed