remove deprecated code

[CagtayFabry]

Changes

• remove deprecations for 0.5

Checks

• updated CHANGELOG.rst
• update example/tutorial notebooks

[review-notebook-app]

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Unit Test Results

       1 files  ±0         1 suites  ±0   2m 59s ⏱️ -23s
1 923 tests ±0  1 923 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit f397f0f. ± Comparison against base commit 2f15492.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

Merging #620 (f397f0f) into master (2f15492) will increase coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #620      +/-   ##
==========================================
+ Coverage   94.57%   94.62%   +0.04%     
==========================================
  Files          93       93              
  Lines        5954     5931      -23     
==========================================
- Hits         5631     5612      -19     
+ Misses        323      319       -4     

Impacted Files	Coverage Δ
weldx/asdf/util.py	89.83% <ø> (+1.03%)	⬆️
weldx/visualization/k3d_impl.py	78.37% <ø> (ø)
weldx/welding/util.py	100.00% <ø> (ø)

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