docs(instance): remove bootscript_id

Author: Codelax

docs/data-sources/instance_servers.md

@@ -54,7 +54,6 @@ In addition to all above arguments, the following attributes are exported:
     - `zone` - The [zone](../guides/regions_and_zones.md#zones) in which the server is.
     - `name` - The name of the server.
     - `boot_type` - The boot Type of the server. Possible values are: `local`, `bootscript` or `rescue`.
-    - `bootscript_id` - The ID of the bootscript.
     - `type` - The commercial type of the server.
     - `security_group_id` - The [security group](https://developers.scaleway.com/en/products/instance/api/#security-groups-8d7f89) the server is attached to.
     - `enable_ipv6` - Determines if IPv6 is enabled for the server.

docs/resources/instance_server.md

@@ -256,8 +256,6 @@ attached to the server. Updates to this field will trigger a stop/start of the s
 
 - `replace_on_type_change` - (Defaults to false) If true, the server will be replaced if `type` is changed. Otherwise, the server will migrate.
 
-- `bootscript_id` (Deprecated) - The ID of the bootscript to use  (set boot_type to `bootscript`).
-
 - `zone` - (Defaults to [provider](../index.md#zone) `zone`) The [zone](../guides/regions_and_zones.md#zones) in which the server should be created.
 
 - `project_id` - (Defaults to [provider](../index.md#project_id) `project_id`) The ID of the project the server is associated with.