Reformat imports to a consistent style for imports

rustfmt.toml configuration:
  imports_granularity = "One"
  group_imports = "One"

sdk/src/commitment_config.rs

@@ -1,8 +1,7 @@
 #![allow(deprecated)]
 #![cfg(feature = "full")]
 
-use std::str::FromStr;
-use thiserror::Error;
+use {std::str::FromStr, thiserror::Error};
 
 #[derive(Serialize, Deserialize, Default, Clone, Copy, Debug, PartialEq, Eq, Hash)]
 #[serde(rename_all = "camelCase")]