Update installation.mdx (#1502)

Author: dyaffe

site/docs/getting-started/installation.mdx

@@ -109,8 +109,6 @@ You'll need to grant Estuary Flow access to your S3 bucket.
 
 1. [Create a bucket to use with Flow](https://docs.aws.amazon.com/AmazonS3/latest/userguide/create-bucket-overview.html), if you haven't already.
 
-   - Set **Region** to `us-east-1`.
-
 2. Follow the steps to [add a bucket policy](https://docs.aws.amazon.com/AmazonS3/latest/userguide/add-bucket-policy.html), pasting the policy below.
 Be sure to replace `YOUR-S3-BUCKET` with the actual name of your bucket.