libchrome: Removed Chrome OS license check Since libchrome files are verbatim copies of Chromium code, the Chrome OS license check in repohooks creates a lot of false positives. BUG=None TEST=Checked that license checks are skipped Change-Id: I2c50ccacf01d2ebe49e6f19b1dad2aa75d50a8a1 Reviewed-on: https://chromium-review.googlesource.com/506067 Commit-Ready: Lutz Justen <[email protected]> Tested-by: Lutz Justen <[email protected]> Reviewed-by: Luis Hector Chavez <[email protected]> Reviewed-by: Dan Erat <[email protected]>