[KIECLOUD-159] Remove prometheus template params from trial-ephemeral templates in 7.3.0

[errantepiphany]

[KIECLOUD-159] Remove prometheus template params from trial-ephemeral templates in 7.3.0
https://issues.jboss.org/browse/KIECLOUD-159

Signed-off-by: David Ward dward@redhat.com

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