refactoring: deleted unnecessary variable declaration, spacing

src/builtins/help.rs

@@ -20,17 +20,16 @@ impl Builtin for Help {
             ";
 
         for line in commands.lines() {
-                println!("{}{}", split_command(line)[0].bold(),split_command(line)[1]);
+            println!("{}{}", split_command(line)[0].bold(), split_command(line)[1]);
         }
         Ok(())
     }
 }
 
 fn split_command(commands: &str) -> Vec<&str> {
-    let mut splitted_command: Vec<&str> = vec![];
-    if !commands.is_empty() && commands.trim().len() >=1 {
-                splitted_command = commands.trim_start().splitn(2, " ").collect();
-                return splitted_command
+    if !commands.is_empty() && commands.trim().len() >= 1 {
+        let splitted_command = commands.trim_start().splitn(2, " ").collect();
+        return splitted_command;
     }
-    return vec!["",""];
+    return vec!["", ""];
 }