Don't add timestamps to JavaDoc.
Don't add timestamps to JavaDoc.

It's pretty useless and it stands in the way of reproducible builds.

GroestlCoin/groestlcoinj,HashEngineering/digitalcoinj,HashEngineering/digitalcoinj,HashEngineering/groestlcoinj,GroestlCoin/groestlcoinj,HashEngineering/groestlcoinj,HashEngineering/digitalcoinj,janko33bd/bitcoinj,HashEngineering/groestlcoinj,GroestlCoin/groestlcoinj,janko33bd/bitcoinj