Remove redundant insert method in serialize. Same as bitcoin/bitcoin#3162
Remove redundant insert method in serialize. Same as bitcoin/bitcoin#3162

gjhiggins/vcoin09,vcoin-project/vcoin0.8zeta-dev,vcoin-project/vcoin0.8zeta-dev,gjhiggins/vcoin0.8zeta-dev,gjhiggins/vcoin09,gjhiggins/vcoin0.8zeta-dev,gjhiggins/vcoin0.8zeta-dev,vcoin-project/vcoin0.8zeta-dev,gjhiggins/vcoin0.8zeta-dev,gjhiggins/vcoin09,gjhiggins/vcoin09,gjhiggins/vcoin09,vcoin-project/vcoin0.8zeta-dev,vcoin-project/vcoin0.8zeta-dev,gjhiggins/vcoin0.8zeta-dev