Revert "also using base url as endpoint in order to use aws s3 compatible alternatives (#23)" (#32)

This reverts commit bb933cc.

Author: Arthur Cinader

index.js

@@ -23,8 +23,6 @@ function S3Adapter() {
   let s3Options = {
     params: { Bucket: this._bucket },
     region: this._region,
-    endpoint: this._baseUrl,
-    s3BucketEndpoint: !!this._baseUrl,
     signatureVersion: this._signatureVersion,
     globalCacheControl: this._globalCacheControl
   };