Minor clippy fixes

Signed-off-by: Sergio Lopez <slp@redhat.com>

Author: slp

src/commands/changevm.rs

@@ -60,7 +60,7 @@ impl ChangeVmCmd {
 
             let mut vmcfg = match cfg.vmconfig_map.remove(&self.name) {
                 None => {
-                    println!("No VM found with name {}", &self.name);
+                    println!("No VM found with name {}", self.name);
                     std::process::exit(-1);
                 }
                 Some(vmcfg) => vmcfg,

src/commands/list.rs

@@ -17,7 +17,7 @@ impl ListCmd {
         if cfg.vmconfig_map.is_empty() {
             println!("No microVMs found");
         } else {
-            for (_name, vm) in cfg.vmconfig_map.iter() {
+            for vm in cfg.vmconfig_map.values() {
                 println!();
                 printvm(vm);
             }