[LayoutNG] Remove text fragment inline_cb_{border,padding} adjustment.

This appears to be a leftover from when we didn't produce fragments for
inline children which were containing blocks.

There should be no behaviour change.

Bug: 636993
Change-Id: Idc78f232390bd58f00517df719b6c2cda6e6830a
Reviewed-on: https://chromium-review.googlesource.com/c/1356259
Reviewed-by: Koji Ishii <kojii@chromium.org>
Reviewed-by: Aleks Totic <atotic@chromium.org>
Commit-Queue: Ian Kilpatrick <ikilpatrick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#612710}
2 files changed