Remove outdated javadoc patch for android_icu4j

This CL removes BreakIterator.patch which became obsolete after ICU 64.2
upgrade. Sources were regenerated with
./tools/srcgen/generate_android_icu4j.sh.

Bug: 125283072
Test: ./tools/srcgen/generate_android_icu4j.sh
Change-Id: Iaca4e2cbae4ebc0f2cb389e1a2f9238d1b7a6331
1 file changed