Source Hubspot: remove all date-time schemas

[marcosmarxm]

What

Correct the problem with wrong data type in normalization is complex for some sources. Hubspot has ~100 date-time fields in one stream and almost impossible find the problematic.
Closes #5555

Create this #5688 to keep track and re-add after #5661 is merged.

How

Remove all date-time format

Recommended reading order

1. x.java
2. y.python

Pre-merge Checklist

Expand the relevant checklist and delete the others.

New Connector

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• Code reviews completed
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Updating a connector

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• Code reviews completed
• Documentation updated
  • Connector's README.md
  • Changelog updated in docs/integrations/<source or destination>/<name>.md including changelog. See changelog example
• PR name follows PR naming conventions
• Connector version bumped like described here

Airbyter

If this is a community PR, the Airbyte engineer reviewing this PR is responsible for the below items.

• Create a non-forked branch based on this PR and test the below items on it
• Build is successful
• Credentials added to Github CI. Instructions.
• /test connector=connectors/<name> command is passing.
• New Connector version released on Dockerhub by running the /publish command described here

Connector Generator

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• Documentation which references the generator is updated as needed.

[marcosmarxm]

/test connector=connectors/source-hubspot

🕑 connectors/source-hubspot https://github.com/airbytehq/airbyte/actions/runs/1172327845
✅ connectors/source-hubspot https://github.com/airbytehq/airbyte/actions/runs/1172327845

[marcosmarxm]

/publish connector=connectors/source-hubspot

🕑 connectors/source-hubspot https://github.com/airbytehq/airbyte/actions/runs/1172385232
✅ connectors/source-hubspot https://github.com/airbytehq/airbyte/actions/runs/1172385232

[27Bslash6]

@marcosmarxm Was this intentional?