tinify webpacks (#1975)

* tinify webpack

* meme

* fix long version

* more changes

* even smoler

* fix up logic

* fix build

* undo changes to user agent manager because its not webpack'd anymore

* the heck

* fix stupid

* clean up browser rules

* typo

src/client/BaseClient.js

@@ -39,15 +39,6 @@ class BaseClient extends EventEmitter {
     this._intervals = new Set();
   }
 
-  /**
-   * Whether the client is in a browser environment
-   * @type {boolean}
-   * @readonly
-   */
-  get browser() {
-    return typeof window !== 'undefined';
-  }
-
   /**
    * API shortcut
    * @type {Object}