refactor: remove gen-esm-wrapper dependency (#6884)

package.json

@@ -3,19 +3,11 @@
   "version": "13.3.0-dev",
   "description": "A powerful library for interacting with the Discord API",
   "main": "./src/index.js",
-  "module": "./src/index.mjs",
   "types": "./typings/index.d.ts",
   "files": [
     "src",
     "typings"
   ],
-  "exports": {
-    "./*": "./*",
-    ".": {
-      "require": "./src/index.js",
-      "import": "./src/index.mjs"
-    }
-  },
   "scripts": {
     "test": "npm run lint && npm run docs:test && npm run lint:typings",
     "test:typescript": "tsc",
@@ -25,7 +17,7 @@
     "lint:fix": "eslint src --fix",
     "lint:typings": "tslint typings/index.d.ts",
     "prettier": "prettier --write src/**/*.js typings/**/*.ts",
-    "prepublishOnly": "npm run test && gen-esm-wrapper ./src/index.js ./src/index.mjs",
+    "prepublishOnly": "npm run test",
     "prepare": "is-ci || husky install",
     "changelog": "conventional-changelog -p angular -i CHANGELOG.md -s"
   },
@@ -71,7 +63,6 @@
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-import": "^2.24.2",
     "eslint-plugin-prettier": "^4.0.0",
-    "gen-esm-wrapper": "^1.1.3",
     "husky": "^7.0.2",
     "is-ci": "^3.0.0",
     "jest": "^27.2.4",