removed unneeded package,function and params

src/arc-login.ts

@@ -1,7 +1,4 @@
 import * as core from '@actions/core';
-import { rejects } from 'assert';
-import { WebRequest, WebRequestOptions, WebResponse, sendRequest } from './client';
-import * as querystring from 'querystring';
 import * as path from 'path';
 import {spawn} from 'child_process';
 import * as fs from 'fs';
@@ -10,47 +7,6 @@ import * as exec from '@actions/exec';
 var azPath: string;
     
 const kubeconfig_timeout = 120;//timeout in seconds
-async function getAzureAccessToken(servicePrincipalId, servicePrincipalKey, tenantId, authorityUrl, managementEndpointUrl: string): Promise<string> {
-
-    if (!servicePrincipalId || !servicePrincipalKey || !tenantId || !authorityUrl) {
-        throw new Error("Not all values are present in the creds object. Ensure appId, password and tenant are supplied");
-    }
-    return new Promise<string>((resolve, reject) => {
-        let webRequest = new WebRequest();
-        webRequest.method = "POST";
-        webRequest.uri = `${authorityUrl}/${tenantId}/oauth2/token/`;
-        webRequest.body = querystring.stringify({
-            resource: managementEndpointUrl,
-            client_id: servicePrincipalId,
-            grant_type: "client_credentials",
-            client_secret: servicePrincipalKey
-        });
-        webRequest.headers = {
-            "Content-Type": "application/x-www-form-urlencoded; charset=utf-8"
-        };
-
-        let webRequestOptions: WebRequestOptions = {
-            retriableStatusCodes: [400, 408, 409, 500, 502, 503, 504],
-        };
-
-        sendRequest(webRequest, webRequestOptions).then(
-            (response: WebResponse) => {
-                if (response.statusCode == 200) {
-                    resolve(response.body.access_token);
-                }
-                else if ([400, 401, 403].indexOf(response.statusCode) != -1) {
-                    reject('ExpiredServicePrincipal');
-                }
-                else {
-                    reject('CouldNotFetchAccessTokenforAzureStatusCode');
-                }
-            },
-            (error) => {
-                reject(error)
-            }
-        );
-    });
-}
 
 export async function getArcKubeconfig(): Promise<string> {
     try {