Remove ImportResolver-related stubs

crates/ra_hir/src/lib.rs

@@ -58,7 +58,6 @@ fn from(it: $sv) -> $e {
     type_ref::Mutability,
 };
 pub use hir_expand::{
-    name::{name, Name},
-    HirFileId, InFile, MacroCallId, MacroCallLoc, MacroDefId, MacroFile, Origin,
+    name::Name, HirFileId, InFile, MacroCallId, MacroCallLoc, MacroDefId, MacroFile, Origin,
 };
 pub use hir_ty::{display::HirDisplay, CallableDef};

crates/ra_hir_expand/src/name.rs

@@ -187,13 +187,6 @@ macro_rules! known_names {
         PartialOrd,
         Eq,
         PartialEq,
-        // FIXME delete those after `ImportResolver` is removed.
-        hash,
-        fmt,
-        io,
-        Display,
-        Iterator,
-        Hasher,
     );
 
     // self/Self cannot be used as an identifier