fix: Remove workaround for Documents folder

[koubaa]

Bug was fixed in dev version.

261 run: https://github.com/ansys/pymechanical/actions/runs/16631663405

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.04% (target: -1.00%)	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (227d017)	2545	2189	86.01%
Head commit (cc7e09b)	2544 (-1)	2187 (-2)	85.97% (-0.04%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#1259)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.96%. Comparing base (227d017) to head (cc7e09b).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1259      +/-   ##
==========================================
- Coverage   86.01%   85.96%   -0.05%     
==========================================
  Files          39       39              
  Lines        2545     2544       -1     
==========================================
- Hits         2189     2187       -2     
- Misses        356      357       +1     

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