delete webcomponents.js in release mode

CHANGELOG.md

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 87ae9a7..b947428 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+#### 0.11.5
+  * Delete `lib/webcomponents.js` in release mode to reduce output size.
+
 #### 0.11.4
   * Update to analyzer <=0.26.0.
 

pubspec.yaml

diff --git a/pubspec.yaml b/pubspec.yaml
index 9a401a3..7c26222 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: web_components
-version: 0.11.4
+version: 0.11.5
 author: Polymer.dart Authors <web-ui-dev@dartlang.org>
 homepage: https://www.dartlang.org/polymer-dart/
 description: >
@@ -29,6 +29,9 @@
       - test/custom_element_proxy_test.html
       - test/html_import_annotation_test.html
       - test/init_web_components_test.html
+- code_transformers/src/delete_file:
+    $include:
+      - lib/webcomponents.js
 
 environment:
   sdk: ">=1.9.0-dev.7.1 <2.0.0"