Revert "fix(http): use keepAlive and agent (almost) everywhere (#3318)"

This reverts commit f238cf9.

packages/jobs/lib/runner/render.api.ts

@@ -1,4 +1,3 @@
-import { httpAgent, httpsAgent } from '@nangohq/utils';
 import type { AxiosInstance, AxiosResponse } from 'axios';
 import axios from 'axios';
 
@@ -7,8 +6,6 @@ export class RenderAPI {
     constructor(apiKey: string) {
         this.httpClient = axios.create({
             baseURL: 'https://api.render.com/v1',
-            httpAgent: httpAgent,
-            httpsAgent: httpsAgent,
             headers: {
                 Authorization: `Bearer ${apiKey}`,
                 Accept: 'application/json'

packages/server/lib/helpers/tba.ts

@@ -1,7 +1,8 @@
+import axios from 'axios';
 import type { OAuthSession } from '@nangohq/shared';
 import type { Provider, IntegrationConfig as ProviderConfig } from '@nangohq/types';
 import { interpolateStringFromObject } from '@nangohq/shared';
-import { generateBaseString, generateSignature, getTbaMetaParams, SIGNATURE_METHOD, percentEncode, axiosInstance } from '@nangohq/utils';
+import { generateBaseString, generateSignature, getTbaMetaParams, SIGNATURE_METHOD, percentEncode } from '@nangohq/utils';
 
 export async function makeAccessTokenRequest({
     provider,
@@ -66,7 +67,7 @@ export async function makeAccessTokenRequest({
         Authorization: authHeader
     };
 
-    const response = await axiosInstance.post(fullAccessTokenEndpoint, null, { headers });
+    const response = await axios.post(fullAccessTokenEndpoint, null, { headers });
 
     const parsedData = new URLSearchParams(response.data);
 

packages/utils/lib/axios.ts

@@ -7,16 +7,8 @@ import type { Agent as HttpAgent } from 'node:http';
 import type { Agent as HttpsAgent } from 'node:https';
 import https from 'node:https';
 
-const options: https.AgentOptions = {
-    keepAlive: true, // default to false for some reason
-    timeout: 60000,
-    maxFreeSockets: 2000,
-    scheduling: 'fifo', // optimize for open sockets and better for high throughput
-    family: 4 // Using IPV4 can reduce network error and reduce latency https://github.com/nodejs/node/issues/5436#issuecomment-189474356
-};
-
-export let httpAgent: HttpProxyAgent<string> | HttpAgent = new http.Agent(options);
-export let httpsAgent: HttpsProxyAgent<string> | HttpsAgent = new https.Agent(options);
+export let httpAgent: HttpProxyAgent<string> | HttpAgent = new http.Agent();
+export let httpsAgent: HttpsProxyAgent<string> | HttpsAgent = new https.Agent();
 
 const hasHttpProxy = process.env['http_proxy'] || process.env['HTTP_PROXY'];
 const hasHttpsProxy = process.env['https_proxy'] || process.env['HTTPS_PROXY'];