use thiserror instead of derive_more for error handling (#10696)

* use thiserror instead of derive_more for error handling

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Update utils/prometheus/src/lib.rs

* Update utils/prometheus/src/lib.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

substrate/primitives/keystore/src/lib.rs

@@ -29,19 +29,19 @@ use sp_core::{
 use std::sync::Arc;
 
 /// CryptoStore error
-#[derive(Debug, derive_more::Display)]
+#[derive(Debug, thiserror::Error)]
 pub enum Error {
 	/// Public key type is not supported
-	#[display(fmt = "Key not supported: {:?}", _0)]
+	#[error("Key not supported: {0:?}")]
 	KeyNotSupported(KeyTypeId),
 	/// Validation error
-	#[display(fmt = "Validation error: {}", _0)]
+	#[error("Validation error: {0}")]
 	ValidationError(String),
 	/// Keystore unavailable
-	#[display(fmt = "Keystore unavailable")]
+	#[error("Keystore unavailable")]
 	Unavailable,
 	/// Programming errors
-	#[display(fmt = "An unknown keystore error occurred: {}", _0)]
+	#[error("An unknown keystore error occurred: {0}")]
 	Other(String),
 }