[conformal/btcdb] 83b1e7: Remove explicit garbage collection.

[David Hill]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcdb
  Commit: 83b1e74d6c1fd157b1d76f74f5f19f2872c0e913
      
https://github.com/conformal/btcdb/commit/83b1e74d6c1fd157b1d76f74f5f19f2872c0e913
  Author: David Hill <dh...@conformal.com>
  Date:   2013-10-26 (Sat, 26 Oct 2013)

  Changed paths:
    M ldb/leveldb.go

  Log Message:
  -----------
  Remove explicit garbage collection.