Remove IE6 and IE7 specific rules that seem to do more harm than good, refs #11926.
Remove IE6 and IE7 specific rules that seem to do more harm than good, refs #11926.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@23130 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful