Remove senderAlias from asset transfers as it is unused

legacy/src/api/assets/asset-transfers.md

@@ -83,16 +83,8 @@ Transfer an asset to a recipient. Some assets can be transfered only in whole
 | message     | String             | A message which shows up in the SMS of the receiver. {% maxlen 100 %}           |
 | value       | {% dt BigNumber %} | Amount to send. Required for money transfers. Units depend on the asset type.   |
 | senderName  | String             | Human readable name for the sender. {% maxlen 30 %}                             |
-| senderAlias | String             | Phone number, email or handle of sender to return asset to. See (★) note below. |
 | suppressNotifications | Boolean  | Suppress notifications from Centrapay (SMS/Email).                              |
 
-★ Only provide a senderAlias value if you are invoking asset transfer with api
-key. In case that recipient doesn't claim asset in 2 weeks or asset was sent to
-an invalid Alias (wrong phone number etc) we will use senderAlias to return the
-asset. If asset cannot be returned to a sender it will be returned to asset
-owner.
-
-
 {% h4 Example response payload %}
 
 {% json %}

src/content/guides/loading-and-sending-assets.mdx

@@ -18,8 +18,6 @@ If your asset type is not included on the list, contact [email protected]
 
 You can send Assets such as Tokens and Giftcards by calling our [Asset Transfers](https://docs.centrapay.com/api/asset-transfers#asset-transfer-create) endpoint. You will need to have the recipient’s phone number for `recipientAlias` to identify the reciever.
 
-Optionally the `senderAlias` field can be used if you’re loading an asset on behalf of someone else. If the `recipientAlias` doesn’t end up creating a Centrapay account, then it will be sent to this number.
-
 ## Example: Bulk distribution of Giftcards
 
 Sometimes you might want to load and distribute Giftcards to a large number of recipients. This requires some scripting, but this is not hard. We can do this with: