fix: eslint errors

Author: jedwards1211

src/intersection.spec.ts

@@ -1,7 +1,6 @@
 import * as t from './'
 import { expect } from 'chai'
 import dedent from 'dedent-js'
-import typeOf from './errorReporting/typeOf'
 
 describe(`t.intersection`, function() {
   const ObjectIntersection = t.intersection(

src/types/RecordType.ts

@@ -11,7 +11,6 @@ import {
   startToStringCycle,
   endToStringCycle,
 } from '../cyclic'
-import { keyToString } from '../errorReporting/typeOf'
 
 export default class RecordType<
   K extends string | number | symbol,