Remove unnecessary addition of nonce to state.

ui/app/components/pending-tx/confirm-send-ether.js

@@ -76,8 +76,6 @@ function mapDispatchToProps (dispatch) {
           fromDenomination: 'WEI',
           toDenomination: 'GWEI',
         }))
-
-        nonce = txParams.nonce
       }
 
       dispatch(actions.updateSend({
@@ -86,7 +84,6 @@ function mapDispatchToProps (dispatch) {
         editingTransactionId: id,
         gasTotal: sendGasTotal,
         forceGasMin,
-        nonce,
       }))
       dispatch(actions.showModal({ name: 'CUSTOMIZE_GAS' }))
     },

ui/app/reducers/metamask.js

@@ -39,7 +39,6 @@ function reduceMetamask (state, action) {
       maxModeOn: false,
       editingTransactionId: null,
       forceGasMin: null,
-      nonce: null,
     },
     coinOptions: {},
     useBlockie: false,
@@ -299,7 +298,6 @@ function reduceMetamask (state, action) {
           errors: {},
           editingTransactionId: null,
           forceGasMin: null,
-          nonce: null,
         },
       })
 

ui/app/send-v2.js

@@ -548,7 +548,6 @@ SendTransactionScreen.prototype.getEditedTx = function () {
     selectedToken,
     editingTransactionId,
     unapprovedTxs,
-    nonce,
   } = this.props
 
   const editingTx = {
@@ -560,10 +559,6 @@ SendTransactionScreen.prototype.getEditedTx = function () {
     },
   }
 
-  if (nonce) {
-    editingTx.txParams.nonce = ethUtil.addHexPrefix(nonce)
-  }
-
   if (selectedToken) {
     const data = TOKEN_TRANSFER_FUNCTION_SIGNATURE + Array.prototype.map.call(
       ethAbi.rawEncode(['address', 'uint256'], [to, ethUtil.addHexPrefix(amount)]),