removed test suite metadata

Author: Peter Linss

css-flexbox/Overview.src.html

@@ -22,7 +22,6 @@ <h1>CSS Flexible Box Layout Module Level 1</h1>
 Former Editor: Neil Deakin, Mozilla Corporation, enndeakin@gmail.com
 Former Editor: Ian Hickson, formerly of Opera Software, ian@hixie.ch
 Former Editor: David Hyatt, formerly of Netscape Corporation, hyatt@apple.com
-Test Suite: http://test.csswg.org/suites/css3-flexbox/nightly-unstable/
 !Issues List: Tracked in spec, and in <a href="https://www.w3.org/Bugs/Public/buglist.cgi?product=CSS&component=Flexbox&resolution=---">Bugzilla</a>
 Ignored Terms: column-*, auto
 Link Defaults: css21 (property) margin/min-width/min-height/max-width/max-height, css-break-3 (property) break-after