[HOP-4439] Remove key serialization from pipeline metadata

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.2.0
• Component/s: API, Pipelines
• Assignee: Matt Casters
• Reporter: Matt Casters
• Created: 07/Oct/22 11:14
• Updated: 13/Oct/22 17:37
• Resolved: 13/Oct/22 17:37

Description

Pipeline metadata contains 2 fields which are no longer used:

    <key_for_session_key/>
    <is_key_private>N</is_key_private> 

We should remove those.