MBMessage has redundant info fields

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.1.0 Beta 3, 7.1.X, Master
• Component/s: User Management > Personal Data
• Labels: None
• Fix Priority: 3
• Epic Link: [GDPR] App Implementations
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/59342

LPS-80605 will automatically add primary keys. MBMessage implementation currently include the messageId which is redundant w/ the primary key. We should remove messageId.

Please check other app implementations for similar redundancies.

See screenshot.