Remove avoid_redundant_argument_values lint (#86)

Fix the lint in one case
diff --git a/analysis_options.yaml b/analysis_options.yaml
index 8a27e12..ffabc48 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -9,7 +9,6 @@
     - avoid_catching_errors
     - avoid_function_literals_in_foreach_calls
     - avoid_private_typedef_functions
-    - avoid_redundant_argument_values
     - avoid_renaming_method_parameters
     - avoid_returning_null_for_void
     - avoid_unused_constructor_parameters
diff --git a/lib/src/parsed_path.dart b/lib/src/parsed_path.dart
index 45fb64b..8d96cd5 100644
--- a/lib/src/parsed_path.dart
+++ b/lib/src/parsed_path.dart
@@ -128,9 +128,8 @@
     }
 
     // Canonicalize separators.
-    final newSeparators = List<String>.generate(
-        newParts.length, (_) => style.separator,
-        growable: true);
+    final newSeparators =
+        List<String>.generate(newParts.length, (_) => style.separator);
     newSeparators.insert(
         0,
         isAbsolute && newParts.isNotEmpty && style.needsSeparator(root)