Remove unnecessary comments

r728439 <crrev.com/c/1980663> included comments that should
have been removed before landing. This patch removes it.

TBR=ikilpatrick@chromium.org

Bug: 982194
Change-Id: I9e7c61bf2db9a04824f22abe53dc1ed270dabf0d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1986566
Commit-Queue: Koji Ishii <kojii@chromium.org>
Reviewed-by: Ian Kilpatrick <ikilpatrick@chromium.org>
Reviewed-by: Koji Ishii <kojii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#728447}

third_party/blink/renderer/core/layout/ng/inline/ng_inline_box_state.cc

@@ -900,8 +900,6 @@ void NGInlineBoxState::CheckSame(const NGInlineBoxState& other) const {
 
   DCHECK_EQ(needs_box_fragment, other.needs_box_fragment);
 
-  // TODO: fast/borders/rtl-border-05.html
-  // if (needs_box_fragment)
   DCHECK_EQ(has_start_edge, other.has_start_edge);
   // |has_end_edge| may not match because it will be computed in |OnCloseTag|.