Remove custom stylesheet from module

Including stylesheets may interfere with Gerrit core layout[1]. Do not
include it into the module but keep it in the plugin so that plugin
documentation can reference it.

[1] References to the problem:
https://groups.google.com/d/msg/repo-discuss/ohnTZ4flbLo/eNcdqMdOBwAJ
https://bugs.chromium.org/p/gerrit/issues/detail?id=4295

Change-Id: I63c86cbf0eb2fd1a2440b3277505f93e90a5ff0f
diff --git a/src/main/java/com/googlesource/gerrit/plugins/verifystatus/VerifyStatusForm.gwt.xml b/src/main/java/com/googlesource/gerrit/plugins/verifystatus/VerifyStatusForm.gwt.xml
index 3e75cdc..9d3d878 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/verifystatus/VerifyStatusForm.gwt.xml
+++ b/src/main/java/com/googlesource/gerrit/plugins/verifystatus/VerifyStatusForm.gwt.xml
@@ -27,5 +27,4 @@
   <!-- added in order to make this plugin as simple as possible   -->
   <!-- Specify the app entry point class.                         -->
   <entry-point class="com.googlesource.gerrit.plugins.verifystatus.client.VerifyStatusPlugin"/>
-  <stylesheet src="verifystatus.css"/>
 </module>