Cleanups (#3742)

* Remove unused file

* Combine tx checks into single file

* Move UI components into UI

* DRY links

* Unused rollup config

* Cleanup util paths

* Revert "Move UI components into UI"

This reverts commit 3379e61246cde635c296d31322b71e63395a5cd4.

* Re-apply ~/util/tx move

* Cleanup unused styles

js/src/modals/DeployContract/DetailsStep/detailsStep.js

@@ -18,8 +18,8 @@ import React, { Component, PropTypes } from 'react';
 import { MenuItem } from 'material-ui';
 
 import { AddressSelect, Form, Input, Select } from '~/ui';
-import { validateAbi } from '../../../util/validation';
-import { parseAbiType } from '../../../util/abi';
+import { validateAbi } from '~/util/validation';
+import { parseAbiType } from '~/util/abi';
 
 export default class DetailsStep extends Component {
   static contextTypes = {

js/src/modals/DeployContract/ParametersStep/parametersStep.js

@@ -32,7 +32,7 @@
 import React, { Component, PropTypes } from 'react';
 
 import { Form, TypedInput } from '~/ui';
-import { parseAbiType } from '../../../util/abi';
+import { parseAbiType } from '~/util/abi';
 
 import styles from '../deployContract.css';
 

js/src/modals/DeployContract/deployContract.js

@@ -19,7 +19,7 @@ import ActionDoneAll from 'material-ui/svg-icons/action/done-all';
 import ContentClear from 'material-ui/svg-icons/content/clear';
 
 import { BusyStep, CompletedStep, CopyToClipboard, Button, IdentityIcon, Modal, TxHash } from '~/ui';
-import { ERRORS, validateAbi, validateCode, validateName } from '../../util/validation';
+import { ERRORS, validateAbi, validateCode, validateName } from '~/util/validation';
 
 import DetailsStep from './DetailsStep';
 import ParametersStep from './ParametersStep';