Fix up a few remaining clippy errors

citro3d/src/attrib.rs

@@ -32,8 +32,8 @@ pub enum Format {
 unsafe impl Sync for Info {}
 unsafe impl Send for Info {}
 
-impl Info {
-    pub fn new() -> Self {
+impl Default for Info {
+    fn default() -> Self {
         let mut raw = MaybeUninit::zeroed();
         let raw = unsafe {
             citro3d_sys::AttrInfo_Init(raw.as_mut_ptr());
@@ -41,6 +41,12 @@ impl Info {
         };
         Self(raw)
     }
+}
+
+impl Info {
+    pub fn new() -> Self {
+        Self::default()
+    }
 
     pub(crate) fn copy_from(raw: *const citro3d_sys::C3D_AttrInfo) -> Option<Self> {
         if raw.is_null() {

citro3d/src/buffer.rs

@@ -38,8 +38,8 @@ pub enum Primitive {
     GeometryPrim = ctru_sys::GPU_GEOMETRY_PRIM,
 }
 
-impl Info {
-    pub fn new() -> Self {
+impl Default for Info {
+    fn default() -> Self {
         let mut info = MaybeUninit::zeroed();
         let info = unsafe {
             citro3d_sys::BufInfo_Init(info.as_mut_ptr());
@@ -47,6 +47,12 @@ impl Info {
         };
         Self(info)
     }
+}
+
+impl Info {
+    pub fn new() -> Self {
+        Self::default()
+    }
 
     pub(crate) fn copy_from(raw: *const citro3d_sys::C3D_BufInfo) -> Option<Self> {
         if raw.is_null() {

citro3d/src/lib.rs

@@ -1,5 +1,3 @@
-#![feature(once_cell)]
-
 //! Safe Rust bindings to `citro3d`.
 
 pub mod attrib;