[FIX] Do not convert fees to Amount in history controller
[FIX] Do not convert fees to Amount in history controller

It's not needed anymore because fees are converted to Amount objects in jsonrewriter

wangbibo/ripple-client,h0vhannes/ripple-client,wangbibo/ripple-client,Madsn/ripple-client,h0vhannes/ripple-client,yongsoo/ripple-client,MatthewPhinney/ripple-client,darkdarkdragon/ripple-client,arturomc/ripple-client,yongsoo/ripple-client,arturomc/ripple-client,MatthewPhinney/ripple-client,arturomc/ripple-client,yongsoo/ripple-client,yongsoo/ripple-client,vhpoet/ripple-client,vhpoet/ripple-client,MatthewPhinney/ripple-client,mrajvanshy/ripple-client,darkdarkdragon/ripple-client,Madsn/ripple-client,wangbibo/ripple-client,arturomc/ripple-client,h0vhannes/ripple-client,vhpoet/ripple-client,mrajvanshy/ripple-client,mrajvanshy/ripple-client,vhpoet/ripple-client,wangbibo/ripple-client,Madsn/ripple-client,h0vhannes/ripple-client,MatthewPhinney/ripple-client,Madsn/ripple-client,mrajvanshy/ripple-client,darkdarkdragon/ripple-client,darkdarkdragon/ripple-client