Remove jboss-developer-staging-repository from EAP QS pom files

        <repository>
            <id>jboss-developer-staging-repository</id>
            <url>http://jboss-developer.github.io/temp-maven-repo/</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>

        <pluginRepository>
            <id>jboss-developer-staging-repository</id>
            <url>http://jboss-developer.github.io/temp-maven-repo/</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </pluginRepository>