cleanup unused args

compiler/builtins/bitcode/src/list.zig

@@ -867,7 +867,6 @@ pub fn listTakeFirst(
     alignment: u32,
     element_width: usize,
     take_count: usize,
-    dec: Dec,
 ) callconv(.C) RocList {
     if (list.bytes) |source_ptr| {
         if (take_count == 0) {

compiler/gen_llvm/src/llvm/build.rs

@@ -5165,12 +5165,11 @@ fn run_low_level<'a, 'ctx, 'env>(
                 Layout::Builtin(Builtin::EmptyList) => empty_list(env),
                 Layout::Builtin(Builtin::List(element_layout)) => list_take_first(
                     env,
-                    layout_ids,
                     original_wrapper,
                     count.into_int_value(),
                     element_layout,
                 ),
-                _ => unreachable!("Invalid layout {:?} in List.drop", list_layout),
+                _ => unreachable!("Invalid layout {:?} in List.takeFirst", list_layout),
             }
         }
         ListDrop => {

compiler/gen_llvm/src/llvm/build_list.rs

@@ -300,12 +300,10 @@ pub fn list_swap<'a, 'ctx, 'env>(
 /// List.takeFirst : List elem, Nat -> List elem
 pub fn list_take_first<'a, 'ctx, 'env>(
     env: &Env<'a, 'ctx, 'env>,
-    layout_ids: &mut LayoutIds<'a>,
     original_wrapper: StructValue<'ctx>,
     count: IntValue<'ctx>,
     element_layout: &Layout<'a>,
 ) -> BasicValueEnum<'ctx> {
-    let dec_element_fn = build_dec_wrapper(env, layout_ids, element_layout);
     call_bitcode_fn_returns_list(
         env,
         &[
@@ -313,7 +311,6 @@ pub fn list_take_first<'a, 'ctx, 'env>(
             env.alignment_intvalue(element_layout),
             layout_width(env, element_layout),
             count.into(),
-            dec_element_fn.as_global_value().as_pointer_value().into(),
         ],
         bitcode::LIST_TAKE_FIRST,
     )