Revert "Reformat imports to a consistent style for imports"

This reverts commit 139d15cd84.

sys-tuner/src/main.rs

@@ -36,7 +36,8 @@ fn tune_poh_service_priority(uid: u32) {
         None
     }
 
-    use std::{process::Command, str::from_utf8};
+    use std::process::Command;
+    use std::str::from_utf8;
 
     if let Some(pid) = find_pid("solana-validato", "/proc", uid, |dir| {
         let mut path = dir.path();
@@ -67,7 +68,8 @@ fn tune_poh_service_priority(uid: u32) {
 
 #[cfg(target_os = "linux")]
 fn tune_kernel_udp_buffers_and_vmmap() {
-    use sysctl::{CtlValue::String, Sysctl};
+    use sysctl::CtlValue::String;
+    use sysctl::Sysctl;
     fn sysctl_write(name: &str, value: &str) {
         if let Ok(ctl) = sysctl::Ctl::new(name) {
             info!("Old {} value {:?}", name, ctl.value());