removed year from header (#1605)

as it's a burden to maintain, and wasn't consistently updated.

Now rely on git dating.

GitOrigin-RevId: 2719f42eb5085a3e0ede720470f96c2dd2569550
Change-Id: Id1cae0d20bfd809d8a1e5fa757c289626ab6bf8f
10 files changed
tree: aab1a94b70483c8f388a19c1253ff835b01bf173
  1. lib/