remove preliminary validators from extension

[CagtayFabry]

Changes

• remove the preliminary validators from the new style asdf extension

Related Issues

https://github.com/asdf-format/asdf/pull/1328

[codecov[bot]]

Codecov Report

Merging #853 (0abccd6) into master (e7fd50f) will decrease coverage by 0.01%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #853      +/-   ##
==========================================
- Coverage   96.59%   96.59%   -0.01%     
==========================================
  Files          95       95              
  Lines        6223     6221       -2     
==========================================
- Hits         6011     6009       -2     
  Misses        212      212              

Impacted Files	Coverage Δ
weldx/asdf/extension.py	100.00% <ø> (ø)

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[github-actions[bot]]

Test Results

2 187 tests  ±0   2 186 :heavy_check_mark: ±0   2m 28s :stopwatch: -7s        1 suites ±0          1 :zzz: ±0         1 files   ±0          0 :x: ±0 

Results for commit 0abccd6d. ± Comparison against base commit e7fd50fb.

:recycle: This comment has been updated with latest results.