Removed unused imports (#4949)

Co-authored-by: Jay <jasonsaayman@gmail.com>

test/typescript/axios.ts

@@ -5,7 +5,6 @@ import axios, {
   AxiosInstance,
   AxiosAdapter,
   Cancel,
-  CancelToken,
   CancelTokenSource,
   Canceler, AxiosProgressEvent
 } from 'axios';

test/unit/adapters/http.js

@@ -9,7 +9,6 @@ import util from 'util';
 import assert from 'assert';
 import fs from 'fs';
 import path from 'path';
-import {EventEmitter} from 'events';
 let server, proxy;
 import AxiosError from '../../../lib/core/AxiosError.js';
 import FormData from 'form-data';