message: remove macro that Google ICU no longer looks at
diff: @@ -48,12 +48,10 @@ cc_library(
  ] + select({
  ":android": [
  "-fdata-sections",
  - "-DGOOGLE_VENDOR_SRC_BRANCH",
  "-DU_HAVE_NL_LANGINFO_CODESET=0",
  "-Wno-deprecated-declarations",
  ],
  ":apple": [
  - "-DGOOGLE_VENDOR_SRC_BRANCH",
  "-Wno-shorten-64-to-32",
  "-Wno-unused-variable",
  ],
  