Firefox 31 has been released, so rm pre-v31 browser bug entry
Firefox 31 has been released, so rm pre-v31 browser bug entry

BS3 commits: 557d3e527cbbff5994b5ec48e11ec318aac4a776

todc/todc-bootstrap,up2vs/todc-bootstrap,todc/todc-bootstrap,todc/todc-bootstrap,aaroncnhk/todc-bootstrap,ztx1491/todc-bootstrap,2947721120/googlebt4,mozillo/todc-bootstrap,2947721120/todc-bootstrap