remove txExecution code (moved to remix-lib)

src/app/execution/txExecution.js

-'use strict'
-
-module.exports = {
-  /**
-    * deploy the given contract
-    *
-    * @param {String} data    - data to send with the transaction ( return of txFormat.buildData(...) ).
-    * @param {Object} udap    - udapp.
-    * @param {Function} callback    - callback.
-    */
-  createContract: function (data, udapp, callback) {
-    udapp.runTx({data: data, useCall: false}, (error, txResult) => {
-      // see universaldapp.js line 660 => 700 to check possible values of txResult (error case)
-      callback(error, txResult)
-    })
-  },
-
-  /**
-    * call the current given contract
-    *
-    * @param {String} to    - address of the contract to call.
-    * @param {String} data    - data to send with the transaction ( return of txFormat.buildData(...) ).
-    * @param {Object} funAbi    - abi definition of the function to call.
-    * @param {Object} udap    - udapp.
-    * @param {Function} callback    - callback.
-    */
-  callFunction: function (to, data, funAbi, udapp, callback) {
-    udapp.runTx({to: to, data: data, useCall: funAbi.constant}, (error, txResult) => {
-      // see universaldapp.js line 660 => 700 to check possible values of txResult (error case)
-      callback(error, txResult)
-    })
-  },
-
-  /**
-    * check if the vm has errored
-    *
-    * @param {Object} txResult    - the value returned by the vm
-    * @return {Object} -  { error: true/false, message: DOMNode }
-    */
-  checkVMError: function (txResult) {
-    var errorCode = {
-      OUT_OF_GAS: 'out of gas',
-      STACK_UNDERFLOW: 'stack underflow',
-      STACK_OVERFLOW: 'stack overflow',
-      INVALID_JUMP: 'invalid JUMP',
-      INVALID_OPCODE: 'invalid opcode',
-      REVERT: 'revert',
-      STATIC_STATE_CHANGE: 'static state change'
-    }
-    var ret = {
-      error: false,
-      message: ''
-    }
-    if (!txResult.result.vm.exceptionError) {
-      return ret
-    }
-    var error = `VM error: ${txResult.result.vm.exceptionError}.\n`
-    var msg
-    if (txResult.result.vm.exceptionError === errorCode.INVALID_OPCODE) {
-      msg = `\t\n\tThe execution might have thrown.\n`
-      ret.error = true
-    } else if (txResult.result.vm.exceptionError === errorCode.OUT_OF_GAS) {
-      msg = `\tThe transaction ran out of gas. Please increase the Gas Limit.\n`
-      ret.error = true
-    } else if (txResult.result.vm.exceptionError === errorCode.REVERT) {
-      msg = `\tThe transaction has been reverted to the initial state.\nNote: The constructor should be payable if you send value.`
-      ret.error = true
-    } else if (txResult.result.vm.exceptionError === errorCode.STATIC_STATE_CHANGE) {
-      msg = `\tState changes is not allowed in Static Call context\n`
-      ret.error = true
-    }
-    ret.message = `${error}${txResult.result.vm.exceptionError}${msg}\tDebug the transaction to get more information.`
-    return ret
-  }
-}