avoid converting types into themselves via .into() (clippy::useless-conversion)

example: let x: String = String::from("hello world").into();

crates/hir/src/source_analyzer.rs

@@ -484,7 +484,7 @@ fn resolve_hir_path_(
         resolver.resolve_path_in_value_ns_fully(db.upcast(), path.mod_path()).and_then(|val| {
             let res = match val {
                 ValueNs::LocalBinding(pat_id) => {
-                    let var = Local { parent: body_owner?.into(), pat_id };
+                    let var = Local { parent: body_owner?, pat_id };
                     PathResolution::Local(var)
                 }
                 ValueNs::FunctionId(it) => PathResolution::Def(Function::from(it).into()),