avm1: Remove reduntant new_ret_no_self annotation

Per https://rust-lang.github.io/rust-clippy/master/#new_ret_no_self,
`new_ret_no_self` applies only to functions named `new`.
`TObject::create_bare_object` used to be named `new`, but was renamed
in 79af3ffe44.

core/src/avm1/function.rs

@@ -683,7 +683,6 @@ impl<'gc> TObject<'gc> for FunctionObject<'gc> {
         self.base.call_setter(name, value, activation)
     }
 
-    #[allow(clippy::new_ret_no_self)]
     fn create_bare_object(
         &self,
         activation: &mut Activation<'_, 'gc, '_>,

core/src/avm1/object/color_transform_object.rs

@@ -115,7 +115,6 @@ impl<'gc> TObject<'gc> for ColorTransformObject<'gc> {
         Some(*self)
     }
 
-    #[allow(clippy::new_ret_no_self)]
     fn create_bare_object(
         &self,
         activation: &mut Activation<'_, 'gc, '_>,

core/src/avm1/object/date_object.rs

@@ -61,7 +61,6 @@ impl<'gc> DateObject<'gc> {
 impl<'gc> TObject<'gc> for DateObject<'gc> {
     impl_custom_object!(base);
 
-    #[allow(clippy::new_ret_no_self)]
     fn create_bare_object(
         &self,
         activation: &mut Activation<'_, 'gc, '_>,

core/src/avm1/object/script_object.rs

@@ -473,7 +473,6 @@ impl<'gc> TObject<'gc> for ScriptObject<'gc> {
         }
     }
 
-    #[allow(clippy::new_ret_no_self)]
     fn create_bare_object(
         &self,
         activation: &mut Activation<'_, 'gc, '_>,

core/src/avm1/object/shared_object.rs

@@ -62,7 +62,6 @@ impl<'gc> SharedObject<'gc> {
 impl<'gc> TObject<'gc> for SharedObject<'gc> {
     impl_custom_object!(base);
 
-    #[allow(clippy::new_ret_no_self)]
     fn create_bare_object(
         &self,
         activation: &mut Activation<'_, 'gc, '_>,

core/src/avm1/object/sound_object.rs

@@ -122,7 +122,6 @@ impl<'gc> SoundObject<'gc> {
 impl<'gc> TObject<'gc> for SoundObject<'gc> {
     impl_custom_object!(base);
 
-    #[allow(clippy::new_ret_no_self)]
     fn create_bare_object(
         &self,
         activation: &mut Activation<'_, 'gc, '_>,

core/src/avm1/object/stage_object.rs

@@ -279,7 +279,6 @@ impl<'gc> TObject<'gc> for StageObject<'gc> {
         self.0.read().base.call_setter(name, value, activation)
     }
 
-    #[allow(clippy::new_ret_no_self)]
     fn create_bare_object(
         &self,
         activation: &mut Activation<'_, 'gc, '_>,

core/src/avm1/object/super_object.rs

@@ -140,7 +140,6 @@ impl<'gc> TObject<'gc> for SuperObject<'gc> {
         self.0.read().child.call_setter(name, value, activation)
     }
 
-    #[allow(clippy::new_ret_no_self)]
     fn create_bare_object(
         &self,
         activation: &mut Activation<'_, 'gc, '_>,

core/src/avm1/object/transform_object.rs

@@ -83,7 +83,6 @@ impl<'gc> TObject<'gc> for TransformObject<'gc> {
         Ok(this.into())
     }
 
-    #[allow(clippy::new_ret_no_self)]
     fn create_bare_object(
         &self,
         activation: &mut Activation<'_, 'gc, '_>,

core/src/avm1/object/value_object.rs

@@ -118,7 +118,6 @@ impl fmt::Debug for ValueObject<'_> {
 impl<'gc> TObject<'gc> for ValueObject<'gc> {
     impl_custom_object!(base);
 
-    #[allow(clippy::new_ret_no_self)]
     fn create_bare_object(
         &self,
         activation: &mut Activation<'_, 'gc, '_>,

core/src/avm1/object/xml_attributes_object.rs

@@ -102,7 +102,6 @@ impl<'gc> TObject<'gc> for XmlAttributesObject<'gc> {
         self.base().call_setter(name, value, activation)
     }
 
-    #[allow(clippy::new_ret_no_self)]
     fn create_bare_object(
         &self,
         activation: &mut Activation<'_, 'gc, '_>,

core/src/avm1/object/xml_idmap_object.rs

@@ -102,7 +102,6 @@ impl<'gc> TObject<'gc> for XmlIdMapObject<'gc> {
         self.base().call_setter(name, value, activation)
     }
 
-    #[allow(clippy::new_ret_no_self)]
     fn create_bare_object(
         &self,
         activation: &mut Activation<'_, 'gc, '_>,

core/src/avm1/object/xml_object.rs

@@ -74,7 +74,6 @@ impl fmt::Debug for XmlObject<'_> {
 impl<'gc> TObject<'gc> for XmlObject<'gc> {
     impl_custom_object!(base);
 
-    #[allow(clippy::new_ret_no_self)]
     fn create_bare_object(
         &self,
         activation: &mut Activation<'_, 'gc, '_>,