remove Def

crates/ra_hir/src/code_model_api.rs

@@ -62,11 +62,6 @@ impl Crate {
     }
 }
 
-#[derive(Debug)]
-pub enum Def {
-    Item,
-}
-
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct Module {
     pub(crate) krate: Crate,

crates/ra_hir/src/lib.rs

@@ -66,7 +66,6 @@ pub use self::{
 
 pub use self::code_model_api::{
     Crate, CrateDependency,
-    Def,
     Module, ModuleDef, ModuleSource, Problem,
     Struct, Enum, EnumVariant,
     Function, FnSignature,