Fix SDK constraint (dart-archive/cli_util#27)

Author: kevmoo

pkgs/cli_util/CHANGELOG.md

@@ -1,4 +1,6 @@
-# Changelog
+## 0.1.2+1
+
+- Remove unneeded change to Dart SDK constraint.
 
 ## 0.1.2
 

pkgs/cli_util/pubspec.yaml

@@ -1,11 +1,11 @@
 name: cli_util
-version: 0.1.2
+version: 0.1.2+1
 author: Dart Team <[email protected]>
 description: A library to help in building Dart command-line apps.
 homepage: https://github.com/dart-lang/cli_util
 
 environment:
-  sdk: '>=1.11.0 <2.0.0-dev.infinity'
+  sdk: '>=1.11.0 <2.0.0'
 
 dependencies:
   path: '>=1.0.0 <2.0.0'