Revert "Plumb composition character bounds from C++ to Java"

This reverts commit 6d6a279a1cf7d9e8b5072740a494c4031eaa133d.

Turned out that this CL is not necessary.

BUG=424866
TBR=aelias@chromium.org

Review URL: https://codereview.chromium.org/784503002

Cr-Commit-Position: refs/heads/master@{#308038}
4 files changed