How to exclude jars from maven dependency when packaging? - jboss7.x

Question

I'm trying to package a jboss AS7.5 module (RedHat EAP 6.4) that includes a valve. That valve requires a binding to the AuthenticatorBase that comes with the tomcat-catalina-x.y.z.jar, which does not (to my knowledge) come as a downloadable module in its own right. So, I need to build that jar into my module, using the maven plugin for packaging with dependencies.
Problem is, the GAV for the dependency, org.apache.tomcat:tomcat-catalina:x.y.z, includes libraries that ARE included in AS, namely the servlet libraries. If I package the catalina dependency, using the maven plugin that does that, I get a bunch of unnecessary jars that break my module at runtime.
Is there a way to
only package the jar(s) I want?
find a different dependency that includes just the tomcat valve (i.e., the jar containing org.apache.catalina.authenticator.AuthenticatorBase) binding?
or, preferably, is there a module that already exists for exactly this purpose, one that I can reference as a module dependency in my module.xml file?
<dependencies>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-catalina</artifactId>
<version>${tomcat-catalina.version}</version>
</dependency>
...
</dependencies>
includes jars: tomcat-catalina, tomcat-servlet, tomcat-juli, tomcat-annotations, etc.
<build>
<plugins>
<plugin>
<!-- NOTE: We don't need a groupId specification because the group is
org.apache.maven.plugins ...which is assumed by default. -->
<artifactId>maven-assembly-plugin</artifactId>
<version>3.0.0</version>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
<executions>
<execution>
<id>make-assembly</id> <!-- this is used for inheritance merges -->
<phase>package</phase> <!-- bind to the packaging phase -->
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
...
</plugins>
</build>
How to get only tomcat-catalina.jar in my packaged module?