Exclude unmanaged dependencies not productized

The following artifacts may be found as transitives in WildFly's dependency management, and are not supported by PROD, and thus should be excluded:

• org.jboss.spec.javax.xml.ws:jboss-jaxws-api_2.2_spec:jar:2.0.2.Final:compile
• org.slf4j:jcl-over-slf4j:jar:1.7.26:compile
• org.apache.geronimo.javamail:geronimo-javamail_1.4_mail:jar:1.8.4:compile
• org.apache.velocity:velocity:jar:1.7:compile
• io.dropwizard.metrics:metrics-core:jar:3.1.2:compile
• com.google.code.findbugs:jsr305:jar:3.0.1:compile
• org.jvnet.staxex:stax-ex:jar:1.8:compile
• javax.activation:javax.activation-api:jar:1.2.0:compile