Delete BuildTime.NotTooFar

The test no longer makes sense after
https://chromium-review.googlesource.com/c/chromium/src/+/1167913

Bug: 584880,587694
Change-Id: Idf6aab122079da6436c972ee694aab9414a626ac
Reviewed-on: https://chromium-review.googlesource.com/1176444Reviewed-by: Marc-Antoine Ruel <maruel@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#583486}

base/build_time_unittest.cc

@@ -29,9 +29,3 @@ TEST(BuildTime, InThePast) {
   EXPECT_LT(base::GetBuildTime(), base::Time::Now());
   EXPECT_LT(base::GetBuildTime(), base::Time::NowFromSystemTime());
 }
-
-TEST(BuildTime, NotTooFar) {
-  // BuildTime must be less than 45 days old.
-  base::Time cutoff(base::Time::Now() - base::TimeDelta::FromDays(45));
-  EXPECT_GT(base::GetBuildTime(), cutoff);
-}