Remove analyzer workaround for #27447.

pkg/analyzer/lib/src/generated/utilities_dart.dart

Index: pkg/analyzer/lib/src/generated/utilities_dart.dart
diff --git a/pkg/analyzer/lib/src/generated/utilities_dart.dart b/pkg/analyzer/lib/src/generated/utilities_dart.dart
index 550e4ca373a509c8ca2eb9c65883412c1813f713..fe05c1e9ee9c57ab0bea58b8ac391c99d0916a13 100644
--- a/pkg/analyzer/lib/src/generated/utilities_dart.dart
+++ b/pkg/analyzer/lib/src/generated/utilities_dart.dart
@@ -33,16 +33,6 @@ Uri resolveRelativeUri(Uri baseUri, Uri containedUri) {
         baseUri = Uri.parse('$scheme:$part/$part.dart');
       }
     }
-    // foo.dart + ../bar.dart = ../bar.dart
-    // TODO(scheglov) Remove this temporary workaround.
-    // Should be fixed as https://github.com/dart-lang/sdk/issues/27447
-    List<String> baseSegments = baseUri.pathSegments;
-    List<String> containedSegments = containedUri.pathSegments;
-    if (baseSegments.length == 1 &&
-        containedSegments.length > 0 &&
-        containedSegments[0] == '..') {
-      return containedUri;
-    }
     return baseUri.resolveUri(containedUri);
   } catch (exception, stackTrace) {
     throw new AnalysisException(