Generate ast nodes for each ast trait

crates/syntax/src/ast/node_ext.rs

@@ -167,36 +167,6 @@ impl NameOwner for Macro {
 
 impl AttrsOwner for Macro {}
 
-/// Basically an owned `dyn AttrsOwner` without extra boxing.
-pub struct AttrsOwnerNode {
-    node: SyntaxNode,
-}
-
-impl AttrsOwnerNode {
-    pub fn new<N: AttrsOwner>(node: N) -> Self {
-        AttrsOwnerNode { node: node.syntax().clone() }
-    }
-}
-
-impl AttrsOwner for AttrsOwnerNode {}
-impl AstNode for AttrsOwnerNode {
-    fn can_cast(_: SyntaxKind) -> bool
-    where
-        Self: Sized,
-    {
-        false
-    }
-    fn cast(_: SyntaxNode) -> Option<Self>
-    where
-        Self: Sized,
-    {
-        None
-    }
-    fn syntax(&self) -> &SyntaxNode {
-        &self.node
-    }
-}
-
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum AttrKind {
     Inner,