allow rustfmt to reorder imports

This wasn't a right decision in the first place, the feature flag was
broken in the last rustfmt release, and syntax highlighting of imports
is more important anyway

crates/ra_parser/src/event.rs

@@ -10,8 +10,9 @@
 use std::mem;
 
 use crate::{
-    ParseError, TreeSink,
+    ParseError,
     SyntaxKind::{self, *},
+    TreeSink,
 };
 
 /// `Parser` produces a flat list of `Event`s.

crates/ra_parser/src/grammar.rs

@@ -37,9 +37,9 @@ mod type_params;
 mod types;
 
 use crate::{
+    parser::{CompletedMarker, Marker, Parser},
     SyntaxKind::{self, *},
     TokenSet,
-    parser::{CompletedMarker, Marker, Parser},
 };
 
 pub(crate) fn root(p: &mut Parser) {

crates/ra_parser/src/parser.rs

@@ -3,10 +3,10 @@ use std::cell::Cell;
 use drop_bomb::DropBomb;
 
 use crate::{
-    SyntaxKind::{self, ERROR, EOF, TOMBSTONE},
-    TokenSource, ParseError, TokenSet,
     event::Event,
-    T
+    ParseError,
+    SyntaxKind::{self, EOF, ERROR, TOMBSTONE},
+    TokenSet, TokenSource, T,
 };
 
 /// `Parser` struct provides the low-level API for