Re: [battery-status-tests] Fix battery test case to reflect that EventHandler accept object values (#2470)

As @anssiko pointed out, we can remove `battery-interface.html` `battery-interface.js` after the idlharness.js based tests in #2469 fix.

Could you please remove these files in this PR?

View on GitHub: https://github.com/w3c/web-platform-tests/pull/2470#issuecomment-171182602

Received on Wednesday, 13 January 2016 06:24:37 UTC