Removed fixed dependencies

packages/dart_style/lib/src/whitespace.dart

Index: packages/dart_style/lib/src/whitespace.dart
diff --git a/packages/dart_style/lib/src/whitespace.dart b/packages/dart_style/lib/src/whitespace.dart
index b217fa12373665ff57046e59edcc1cb57b089924..712d9d0bc82ed95b3b278b056192c1e990df002d 100644
--- a/packages/dart_style/lib/src/whitespace.dart
+++ b/packages/dart_style/lib/src/whitespace.dart
@@ -47,13 +47,6 @@ class Whitespace {
   /// Two newlines, a single blank line of separation.
   static const twoNewlines = const Whitespace._("twoNewlines");
 
-  /// A space or newline should be output based on whether the current token is
-  /// on the same line as the previous one or not.
-  ///
-  /// In general, we like to avoid using this because it makes the formatter
-  /// less prescriptive over the user's whitespace.
-  static const spaceOrNewline = const Whitespace._("spaceOrNewline");
-
   /// A split or newline should be output based on whether the current token is
   /// on the same line as the previous one or not.
   ///