Cleanup collision_distance_field test dependencies

[henningkayser]

I was reviewing this part when looking into #459. I don't think the old configuration caused that build error, but still I thought this could use some cleanup.

[codecov]

Codecov Report

Merging #465 (ac6ac48) into main (aad154f) will decrease coverage by 0.08%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #465      +/-   ##
==========================================
- Coverage   48.93%   48.85%   -0.07%     
==========================================
  Files         218      218              
  Lines       22987    22987              
==========================================
- Hits        11246    11228      -18     
- Misses      11741    11759      +18     

Impacted Files	Coverage Δ
...veit_core/robot_model/src/revolute_joint_model.cpp	80.00% <0.00%> (-3.20%)	⬇️
...e/src/parameterization/model_based_state_space.cpp	68.54% <0.00%> (-2.79%)	⬇️
moveit_core/robot_model/src/joint_model_group.cpp	54.62% <0.00%> (-2.11%)	⬇️
...e/collision_detection_fcl/src/collision_common.cpp	74.69% <0.00%> (-0.49%)	⬇️

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