message: Fix math utils visibility.
diff: @@ -29,10 +29,6 @@ cc_library(
  cc_library(
  name = "math_utils",
  hdrs = ["math_utils.h"],
  - visibility = [
  - "//perftools/accelerators/xprof/convert:__pkg__",
  - "//perftools/gputools/profiler/collector:__pkg__",
  - ],
  )
  cc_library(
  