Remove the random_utils

[WilliamJamieson]

Closes #215 and closes #216

This PR removes all randomness from the maker_utils and then removes the random_utls as they are no-longer needed.

Checklist

• Added entry in CHANGES.rst under the corresponding subsection
• updated relevant tests
• updated relevant documentation
• Passed romancal regression testing on Jenkins / PLWishMaster. Link: https://plwishmaster.stsci.edu:8081/job/RT/job/Roman-devdeps/324/

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (main@d374fe9). Click here to learn what that means.
Patch coverage: 100.00% of modified lines in pull request are covered.

❗ Current head f7aa03c differs from pull request most recent head 0a3f74d. Consider uploading reports for the commit 0a3f74d to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #217   +/-   ##
=======================================
  Coverage        ?   94.47%           
=======================================
  Files           ?       23           
  Lines           ?     1628           
  Branches        ?        0           
=======================================
  Hits            ?     1538           
  Misses          ?       90           
  Partials        ?        0           

Impacted Files	Coverage Δ
src/roman_datamodels/maker_utils/_common_meta.py	100.00% <100.00%> (ø)
src/roman_datamodels/maker_utils/_datamodels.py	96.57% <100.00%> (ø)

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[PaulHuwe]

LGTM