remove useless hash

crates/ra_hir/src/macros.rs

@@ -17,7 +17,7 @@ use ra_syntax::{
 use crate::{MacroCallId, PersistentHirDatabase};
 
 // Hard-coded defs for now :-(
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub enum MacroDef {
     Vec,
     QueryGroup,

crates/ra_hir/src/module_tree.rs

@@ -115,7 +115,7 @@ pub struct ModuleTree {
     links: Arena<LinkId, LinkData>,
 }
 
-#[derive(Debug, PartialEq, Eq, Hash)]
+#[derive(Debug, PartialEq, Eq)]
 pub struct ModuleData {
     file_id: HirFileId,
     /// Points to `ast::Module`, `None` for the whole file.