Reformat imports to a consistent style for imports

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

sdk/program/src/fee_calculator.rs

@@ -1,9 +1,8 @@
 #![allow(clippy::integer_arithmetic)]
-use crate::clock::DEFAULT_MS_PER_SLOT;
-use crate::ed25519_program;
-use crate::message::Message;
-use crate::secp256k1_program;
-use log::*;
+use {
+    crate::{clock::DEFAULT_MS_PER_SLOT, ed25519_program, message::Message, secp256k1_program},
+    log::*,
+};
 
 #[derive(Serialize, Deserialize, Default, PartialEq, Eq, Clone, Debug, AbiExample)]
 #[serde(rename_all = "camelCase")]
@@ -176,8 +175,10 @@ impl FeeRateGovernor {
 
 #[cfg(test)]
 mod tests {
-    use super::*;
-    use crate::{pubkey::Pubkey, system_instruction};
+    use {
+        super::*,
+        crate::{pubkey::Pubkey, system_instruction},
+    };
 
     #[test]
     fn test_fee_rate_governor_burn() {