Remove a separate ICU data file for CrOS.

README.chromium

 Name: icu
 URL: http://site.icu-project.org/
 Version: 4.6
 
 Description:
 This directory contains the source code of ICU 4.6 for C/C++
 
 1. It was obtained with the following:
 
     $ svn export --native-eol LF http://source.icu-project.org/repos/icu/icu/tags/release-4-6 icu46
@@ skipping 114 matching lines @@
       and header files moved (#11 below), generated by building icudt_build
       project of build/icudt_build.sln on Windows. icudt46.dll is
       generated in bin/{Release,Debug} and copied to windows/icudt.dll
       and checked in. Note that we drop the version number ('46') from the
       dll name to avoind having to update our build scripts/configuration
       files everytime ICU is upgraded to a new version.
 
     - {mac,linux}/icudt46l_dat.S : Built on Mac and Linux with all the
       patches above applied and checked in.
 
-    - cros/icudt46l_dat.S : Built on Linux with
-      abriged locale source files in cros/data put
-      in source/data. Those abridged locales files are
-      for locales ChromeOS is not localized to.
-
 11. The header files were moved as shown below:
 
    source/common/unicode ==> public/common/unicode
    source/i18n/unicode   ==> public/i18n/unicode
 
 12. Apply the fix found with static analysis tools such as PSV and coverity
 
   - patches/static.analysis.patch
   - upstream trunk/4.8 do not have this code any more.
 
@@ skipping 17 matching lines @@
     parser expects the dot as a decimal separator.
   - Locales that don't use dot were producing "NaN" values.
 
 15. Fix a bug in the regex engine.
   - patches/regex.patch
   - upstream bug: http://bugs.icu-project.org/trac/ticket/8666 (fixed in the upstream)
 
 16. Apply the upstream patch for Korean search collator support (ICU 4.6.1).
    - patches/search_collation.patch
    - upstream bug: http://bugs.icu-project.org/trac/ticket/8290