[cadence] remove consistency default value

[5st7]

Q	A
Bug fix?	yes
New feature?	no
API breaks?	no
Deprecations?	no
Related tickets	https://github.com/banzaicloud/banzai-charts/issues/1319
License	Apache 2.0

What's in this PR?

Remove the consistency parameter because it is no longer a valid configuration parameter

Why?

Additional context

Checklist

• [x] Code meets the Developer Guide
• [x] User guide and development docs updated (if needed)
• [x] Related Helm chart(s) updated (if needed)

[pregnor]

Thanks for the contribution, @akijakya will merge and release it soon.