refactoring: remove duplicate quote command

src/builtins/mod.rs

@@ -46,7 +46,6 @@ const BUILTINS: Lazy<Vec<(&str, Box<dyn Builtin>)>> = Lazy::new(|| {
         ("quote", Box::new(quote::Quote)),
         ("segfault", Box::new(segfault::Segfault)),
         ("sus", Box::new(sus::Sus)),
-        ("quote", Box::new(quote::Quote)),
         ("time", Box::new(time::Time)),
     ]
 });