depend-o-pocalipse (#9450)

Remove unneeded dependencies and dev-dependencies.
Made self_destruct test not dependent on wasm bin size.  
Updated code related to deprecated warning on tracing-subscriber `scope()` 
( See https://github.com/tokio-rs/tracing/issues/1429 )

substrate/client/db/src/utils.rs

@@ -249,8 +249,9 @@ impl fmt::Display for OpenDbError {
 		match self {
 			OpenDbError::Internal(e) => write!(f, "{}", e.to_string()),
 			OpenDbError::DoesNotExist => write!(f, "Database does not exist at given location"),
-			OpenDbError::NotEnabled(feat) =>
-				write!(f, "`{}` feature not enabled, database can not be opened", feat),
+			OpenDbError::NotEnabled(feat) => {
+				write!(f, "`{}` feature not enabled, database can not be opened", feat)
+			},
 		}
 	}
 }