[HUDI-9395] Remove unnecessary constraints on compactor

[linliu-code]

Change Logs

Remove constraints:

1. Virtual Key
2. Bootstrap files

Impact

Make FG reader based compactor more general.

Risk level (write none, low medium or high below)

Low.

Documentation Update

Describe any necessary documentation update if there is any new feature, config, or user-facing change. If not, put "none".

• The config description must be updated if new configs are added or the default value of the configs are changed
• Any new feature or user-facing change requires updating the Hudi website. Please create a Jira ticket, attach the ticket number here and follow the instruction to make changes to the website.

Contributor's checklist

• [ ] Read through contributor's guide
• [ ] Change Logs and Impact were stated clearly
• [ ] Adequate tests were added if applicable
• [ ] CI passed

[hudi-bot]

CI report:

• a705fd04aa0c5b601c131a62f1d12597e9e7cbe2 Azure: FAILURE

Bot commands

@hudi-bot supports the following commands:

• @hudi-bot run azure re-run the last Azure build