Remove available flag in test signer

lightning/src/util/test_channel_signer.rs

@@ -71,9 +71,6 @@ pub struct TestChannelSigner {
  /// Channel state used for policy enforcement
  pub state: Arc<Mutex<EnforcementState>>,
  pub disable_revocation_policy_check: bool,
- /// When `true` (the default), the signer will respond immediately with signatures. When `false`,
- /// the signer will return an error indicating that it is unavailable.
- pub available: Arc<Mutex<bool>>,
 }
 
 /// Channel signer operations that can be individually enabled and disabled. If a particular value
@@ -135,7 +132,6 @@ impl TestChannelSigner {
  inner,
  state,
  disable_revocation_policy_check: false,
- available: Arc::new(Mutex::new(true)),
  }
  }
 
@@ -149,7 +145,6 @@ impl TestChannelSigner {
  inner,
  state,
  disable_revocation_policy_check,
- available: Arc::new(Mutex::new(true)),
  }
  }
 
@@ -162,13 +157,9 @@ impl TestChannelSigner {
 
  /// Marks the signer's availability.
  ///
- /// When `true`, methods are forwarded to the underlying signer as normal. When `false`, some
+ /// When a certain mask is set to `true`, methods are forwarded to the underlying signer as normal. When `false`, some
  /// methods will return `Err` indicating that the signer is unavailable. Intended to be used for
  /// testing asynchronous signing.
- pub fn set_available(&self, available: bool) {
- *self.available.lock().unwrap() = available;
- }
-
  #[cfg(test)]
  pub fn set_ops_available(&self, mask: u32, available: bool) {
  let mut state = self.get_enforcement_state();