rename option_simple_taproot to option_taproot

Author: arik-so

bolt-simple-taproot.md

@@ -331,9 +331,9 @@ message, `node_announcement` and also
 `channel_announcement` so taproot channels can be identified on the routing level, which will eventually matter once
 PTLCs are fully rolled out.
 
-| Bits  | Name                    | Description                           | Context | Dependencies                             | Link                 |
-|-------|-------------------------|---------------------------------------|---------|------------------------------------------|----------------------|
-| 30/31 | `option_simple_taproot` | Node supports simple taproot chanenls | IN      | `option_channel_type` + `option_anchors` | TODO(roasbeef): link |
+| Bits  | Name             | Description                           | Context | Dependencies                             | Link                 |
+|-------|------------------|---------------------------------------|---------|------------------------------------------|----------------------|
+| 30/31 | `option_taproot` | Node supports simple taproot chanenls | IN      | `option_channel_type` + `option_anchors` | TODO(roasbeef): link |
 
 The Context column decodes as follows:
 
@@ -344,10 +344,10 @@ The Context column decodes as follows:
 * `C+`: presented in the `channel_announcement` message, but always even (required).
 * `9`: presented in [BOLT 11](11-payment-encoding.md) invoices.
 
-The `option_simple_taproot` feature bit also becomes a defined channel type feature bit for explicit channel
+The `option_taproot` feature bit also becomes a defined channel type feature bit for explicit channel
 negotiation.
 
-Throughout this document, we assume that `option_simple_taproot` was negotiated, and also the `option_simple_taproot`
+Throughout this document, we assume that `option_taproot` was negotiated, and also the `option_taproot`
 channel type is used.
 
 ### Channel Funding
@@ -358,7 +358,7 @@ channel type is used.
 
 ![](taproot_channel_open.jpg)
 
-We add `option_simple_taproot` to the set of defined channel types.
+We add `option_taproot` to the set of defined channel types.
 
 #### `accept_channel` Extensions
 
@@ -733,7 +733,7 @@ This:
 
 #### Anchor Outputs
 
-For simple taproot channels (`option_simple_taproot`) we'll maintain the same form as base segwit channels, but instead
+For simple taproot channels (`option_taproot`) we'll maintain the same form as base segwit channels, but instead
 will utilize `local_delayedpubkey`
 and the `remotepubkey` rather than the multi-sig keys as that's no longer revealed due to musig2. In the case that
 no `to_local` output exists the