message: Delete as_dyn_any_mut
  Summary: No longer useful.
diff: @@ -49,7 +49,6 @@ use std::{
  pub trait AsStarlarkValue<'v> {
  fn as_starlark_value(&self) -> &dyn StarlarkValue<'v>;
  fn as_dyn_any(&self) -> &dyn AnyLifetime<'v>;
  - fn as_dyn_any_mut(&mut self) -> &mut dyn AnyLifetime<'v>;
  fn as_debug(&self) -> &dyn Debug;
  fn type_name(&self) -> &'static str;
  @@ -62,9 +61,6 @@ impl<'v, T: StarlarkValue<'v>> AsStarlarkValue<'v> for T {
  fn as_dyn_any(&self) -> &dyn AnyLifetime<'v> {
  self
  }
  - fn as_dyn_any_mut(&mut self) -> &mut dyn AnyLifetime<'v> {
  - self
  - }
  fn as_debug(&self) -> &dyn Debug {
  self
  }
  