builtins : suppression if inutile

src/command/builtins.rs

@@ -57,11 +57,9 @@ pub(crate) fn exit(args: &Vec<String>, _variables: &mut Variables, exit_code: &m
 }
 
 pub(super) fn unset(args: &Vec<String>, variables: &mut Variables, exit_code: &mut ExitCode) {
-    if !args.is_empty() {
     for variable_name in args.iter() {
         variables.unset(variable_name);
     }
-    }
 
     exit_code.set_success();
 }