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_ide_api/src/display/function_signature.rs

@@ -1,11 +1,14 @@
 use std::fmt::{self, Display};
 
+use hir::{Docs, Documentation, HasSource};
 use join_to_string::join;
 use ra_syntax::ast::{self, AstNode, NameOwner, VisibilityOwner};
 use std::convert::From;
-use hir::{Docs, Documentation, HasSource};
 
-use crate::{db, display::{where_predicates, generic_parameters}};
+use crate::{
+    db,
+    display::{generic_parameters, where_predicates},
+};
 
 /// Contains information about a function signature
 #[derive(Debug)]

crates/ra_ide_api/src/display/navigation_target.rs

@@ -1,14 +1,15 @@
+use hir::{FieldSource, HasSource, ImplItem, ModuleSource};
 use ra_db::{FileId, SourceDatabase};
 use ra_syntax::{
-    SyntaxNode, AstNode, SmolStr, TextRange, AstPtr, TreeArc,
-    SyntaxKind::{self, NAME},
-    ast::{self, DocCommentsOwner},
     algo::visit::{visitor, Visitor},
+    ast::{self, DocCommentsOwner},
+    AstNode, AstPtr, SmolStr,
+    SyntaxKind::{self, NAME},
+    SyntaxNode, TextRange, TreeArc,
 };
-use hir::{ModuleSource, FieldSource, ImplItem, HasSource};
 
-use crate::{FileSymbol, db::RootDatabase};
 use super::short_label::ShortLabel;
+use crate::{db::RootDatabase, FileSymbol};
 
 /// `NavigationTarget` represents and element in the editor's UI which you can
 /// click on to navigate to a particular piece of code.

crates/ra_ide_api/src/display/short_label.rs

@@ -1,6 +1,4 @@
-use ra_syntax::{
-    ast::{self, NameOwner, VisibilityOwner, TypeAscriptionOwner, AstNode},
-};
+use ra_syntax::ast::{self, AstNode, NameOwner, TypeAscriptionOwner, VisibilityOwner};
 
 pub(crate) trait ShortLabel {
     fn short_label(&self) -> Option<String>;

crates/ra_ide_api/src/display/structure.rs

@@ -2,7 +2,7 @@ use crate::TextRange;
 
 use ra_syntax::{
     algo::visit::{visitor, Visitor},
-    ast::{self, AttrsOwner, NameOwner, TypeParamsOwner, TypeAscriptionOwner},
+    ast::{self, AttrsOwner, NameOwner, TypeAscriptionOwner, TypeParamsOwner},
     AstNode, SourceFile, SyntaxKind, SyntaxNode, WalkEvent,
 };