[conformal/btcwallet] afee3e: No need to check map before removing a key.

[Josh Rickmar]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcwallet
  Commit: afee3e2ca729a4d405db5ff1e94a5837b3e5afce
      
https://github.com/conformal/btcwallet/commit/afee3e2ca729a4d405db5ff1e94a5837b3e5afce
  Author: Josh Rickmar <jr...@conformal.com>
  Date:   2014-06-16 (Mon, 16 Jun 2014)

  Changed paths:
    M rpcserver.go

  Log Message:
  -----------
  No need to check map before removing a key.