make name not required on privacy declaration

[adamsachs]

follow up to #3098

per conversation with @NevilleS we're actually trying to move away from relying on the name property, so we shouldn't require it on the BE, even if we do want to use it as part of the uniqueness criteria.

i decided to update the migration in-place since the original PR was merged minutes ago...are we OK with that??

Code Changes

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Steps to Confirm

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Pre-Merge Checklist

• All CI Pipelines Succeeded
• Documentation:
  • documentation complete, PR opened in fidesdocs
  • documentation issue created in fidesdocs
• Issue Requirements are Met
• Relevant Follow-Up Issues Created
• Update CHANGELOG.md
• For API changes, the Postman collection has been updated

Description Of Changes

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[cypress]

Passing run #1551 ↗︎

0	3	0	0	0
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Details:

Merge 996fa37 into d984bd6...
Project: fides	Commit: a00e1cb193 ℹ️
Status: Passed	Duration: 00:36 💡
Started: Apr 25, 2023 1:30 AM	Ended: Apr 25, 2023 1:31 AM

_{This comment has been generated by cypress-bot as a result of this project's GitHub integration settings.}

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (d984bd6) 87.47% compared to head (996fa37) 87.48%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3150   +/-   ##
=======================================
  Coverage   87.47%   87.48%           
=======================================
  Files         309      309           
  Lines       17924    17924           
  Branches     2325     2325           
=======================================
+ Hits        15679    15680    +1     
+ Misses       1821     1820    -1     
  Partials      424      424           

Impacted Files	Coverage Δ
src/fides/api/ctl/sql_models.py	98.26% <ø> (ø)

... and 1 file with indirect coverage changes

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