SWARM-1556: Certified fractions missing (#636)
SWARM-1556: Certified fractions missing (#636)

Motivation
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Certified fractions present in certified.conf are not present in the generated bom.pom.

Modifications
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Need to prevent generate-bom mojo from running after generate-certified-bom.

Result
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No change to product behavior, fixes build issue.
kenfinnigan/wildfly-swarm,juangon/wildfly-swarm,nelsongraca/wildfly-swarm,wildfly-swarm/wildfly-swarm,juangon/wildfly-swarm,kenfinnigan/wildfly-swarm,wildfly-swarm/wildfly-swarm,jamezp/wildfly-swarm,jamezp/wildfly-swarm,wildfly-swarm/wildfly-swarm,nelsongraca/wildfly-swarm,jamezp/wildfly-swarm,wildfly-swarm/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,wildfly-swarm/wildfly-swarm,juangon/wildfly-swarm,jamezp/wildfly-swarm,juangon/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,nelsongraca/wildfly-swarm,kenfinnigan/wildfly-swarm,nelsongraca/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,jamezp/wildfly-swarm,nelsongraca/wildfly-swarm,juangon/wildfly-swarm,kenfinnigan/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,wildfly-swarm/wildfly-swarm-core,kenfinnigan/wildfly-swarm