refactor: remove unused dotenv calls (#2059)

As explained in the Vercel documentation vercel ignores dot files (see
vercel/vercel#3962 (comment)). It
instead loads the env variables defined in the vercel instance. As a
result we can therefore remove dotenv.

Author: rickstaa

api/index.js

@@ -1,4 +1,3 @@
-import * as dotenv from "dotenv";
 import { renderStatsCard } from "../src/cards/stats-card.js";
 import { blacklist } from "../src/common/blacklist.js";
 import {
@@ -11,8 +10,6 @@ import {
 import { fetchStats } from "../src/fetchers/stats-fetcher.js";
 import { isLocaleAvailable } from "../src/translations.js";
 
-dotenv.config();
-
 export default async (req, res) => {
   const {
     username,

api/top-langs.js

@@ -1,4 +1,3 @@
-import * as dotenv from "dotenv";
 import { renderTopLanguages } from "../src/cards/top-languages-card.js";
 import { blacklist } from "../src/common/blacklist.js";
 import {
@@ -11,8 +10,6 @@ import {
 import { fetchTopLanguages } from "../src/fetchers/top-languages-fetcher.js";
 import { isLocaleAvailable } from "../src/translations.js";
 
-dotenv.config();
-
 export default async (req, res) => {
   const {
     username,

api/wakatime.js

@@ -1,4 +1,3 @@
-import * as dotenv from "dotenv";
 import { renderWakatimeCard } from "../src/cards/wakatime-card.js";
 import {
   clampValue,
@@ -10,8 +9,6 @@ import {
 import { fetchWakatimeStats } from "../src/fetchers/wakatime-fetcher.js";
 import { isLocaleAvailable } from "../src/translations.js";
 
-dotenv.config();
-
 export default async (req, res) => {
   const {
     username,

src/fetchers/stats-fetcher.js

@@ -1,6 +1,5 @@
 // @ts-check
 import axios from "axios";
-import * as dotenv from "dotenv";
 import githubUsernameRegex from "github-username-regex";
 import { calculateRank } from "../calculateRank.js";
 import { retryer } from "../common/retryer.js";
@@ -12,8 +11,6 @@ import {
   wrapTextMultiline,
 } from "../common/utils.js";
 
-dotenv.config();
-
 /**
  * Stats fetcher object.
  *

src/fetchers/top-languages-fetcher.js

@@ -1,5 +1,4 @@
 // @ts-check
-import * as dotenv from "dotenv";
 import { retryer } from "../common/retryer.js";
 import {
   CustomError,
@@ -9,8 +8,6 @@ import {
   wrapTextMultiline,
 } from "../common/utils.js";
 
-dotenv.config();
-
 /**
  * Top languages fetcher object.
  *