After upgrading to "New York" release, the date fields were rendering with the date-time format as shown in the attached screenshot,
The "New York" release adheres to a lot of accessibility compliance as per the following documentation.
As part of this, following accessibility user preference has been introduced as shown in the attached screenshot,
Due to the reason that user has selected "Show Date & Time format in field label" user preference, the system renders date fields along with date-time format.
If you do not want the Date fields to render date-time format along with its label, please de-activate the "Show Date & Time format in field label" user preference as shown in the above screenshot.