refactor: drop unused CommandBuilder::new

src/command_builder.rs

@@ -49,10 +49,6 @@ impl Display for CommandBuilder {
 }
 
 impl CommandBuilder {
-    pub fn new(args: &str) -> Self {
-        Self::default().args("docker")
-    }
-
     pub fn docker() -> Self {
         Self::default().args("docker")
     }