Revert "Bug 1994083 - Add WPTs for abspos fragmentation in vertical-rl writing-mode. " for causing Wr failures nsFrameList::ContinueRemoveFrame related

This reverts commit 0bb89a9e15868449c22bf50db0addaa0110ea02b.

Revert "Bug 1994083 - Adjust existing WPT expectations. r=dholbert"

This reverts commit a716c30e8f170cee00ca806e3b258f06526b2a5e.

Revert "Bug 1994083 - Generate display items for frames in absolute child list. r=dholbert,layout-reviewers"

This reverts commit 1da35cc35d48f8552e80a045109f99840ef6e292.

Revert "Bug 1994083 - Allow AbsoluteContainingBlock to reflow all abspos continuations. r=dholbert,layout-reviewers"

This reverts commit 643eec99211ba30e588908baaf8e73c52caba369.

gecko-commit: 720c1cfcaa636a4175e02dc6e59b4ca0fcc01e2b
gecko-reviewers: dholbert

Author: chorotan