Remove exports field

TypeScript does not play nice with it just yet:
https://github.com/microsoft/TypeScript/issues/33079

CHANGELOG.md

@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+- Issue when importing the `utils` module.
+
 ## [0.14.0] - 2021-10-13
 
 ### Added

package.json

@@ -5,10 +5,6 @@
   "main": "build/main/index.js",
   "typings": "build/main/index.d.ts",
   "module": "build/esm/index.js",
-  "exports": {
-    "require": "./build/main/index.js",
-    "import": "./build/esm/index.js"
-  },
   "repository": "https://github.com/status-im/js-waku",
   "license": "MIT OR Apache-2.0",
   "keywords": [