Update appveyor badge to show default branch status only
-# ci.maven [![Maven Central Latest](https://maven-badges.herokuapp.com/maven-central/io.openliberty.tools/liberty-maven-plugin/badge.svg)](http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22io.openliberty.tools%22%20AND%20a%3A%22liberty-maven-plugin%22) [![Build Status](https://travis-ci.com/OpenLiberty/ci.maven.svg?branch=master)](https://travis-ci.com/OpenLiberty/ci.maven) [![Build status](https://ci.appveyor.com/api/projects/status/vket9064enwhf2lp?svg=true)](https://ci.appveyor.com/project/wasdevb1/ci-maven) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/3882b05e21b14d85bfe2f7bfe6abef13)](https://www.codacy.com/app/wasdevb1/ci.maven?utm_source=github.com&amp;utm_medium=referral&amp;utm_content=WASdev/ci.maven&amp;utm_campaign=Badge_Grade)
+# ci.maven [![Maven Central Latest](https://maven-badges.herokuapp.com/maven-central/io.openliberty.tools/liberty-maven-plugin/badge.svg)](http://search.maven.org/#search%7Cgav%7C1%7Cg%3A%22io.openliberty.tools%22%20AND%20a%3A%22liberty-maven-plugin%22) [![Build Status](https://travis-ci.com/OpenLiberty/ci.maven.svg?branch=master)](https://travis-ci.com/OpenLiberty/ci.maven) [![Build status](https://ci.appveyor.com/api/projects/status/vket9064enwhf2lp/branch/master?svg=true)](https://ci.appveyor.com/project/wasdevb1/ci-maven/branch/master) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/3882b05e21b14d85bfe2f7bfe6abef13)](https://www.codacy.com/app/wasdevb1/ci.maven?utm_source=github.com&amp;utm_medium=referral&amp;utm_content=WASdev/ci.maven&amp;utm_campaign=Badge_Grade)
Collection of Maven plugins and archetypes for managing Open Liberty and WebSphere Liberty servers and applications.
