fix: remove PluginMessage

[TestingPlant]

PluginMessage was never consumed anywhere and caused an abort because of this.

[github-actions]

Benchmark Results for general

ray_intersection/aabb_size_0.1                     [  24.0 ns ...  23.9 ns ]      -0.23%
ray_intersection/aabb_size_1                       [  24.0 ns ...  23.9 ns ]      -0.10%
ray_intersection/aabb_size_10                      [  23.1 ns ...  22.9 ns ]      -0.75%
ray_intersection/ray_distance_1                    [   5.2 ns ...   5.2 ns ]      -0.32%
ray_intersection/ray_distance_5                    [   9.4 ns ...   9.4 ns ]      -0.05%
ray_intersection/ray_distance_20                   [   9.5 ns ...   9.5 ns ]      +0.01%
overlap/no_overlap                                 [  31.1 ns ...  30.4 ns ]      -2.47%
overlap/partial_overlap                            [  31.1 ns ...  31.1 ns ]      -0.09%
overlap/full_containment                           [  24.0 ns ...  23.9 ns ]      -0.52%
point_containment/inside                           [   5.9 ns ...   5.9 ns ]      +0.22%
point_containment/outside                          [   5.4 ns ...   5.4 ns ]      +0.01%
point_containment/boundary                         [   6.4 ns ...   6.5 ns ]      +0.26%

Comparing to a1bb588

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 24.65%. Comparing base (a1bb588) to head (0963467).
Report is 1 commits behind head on main.

@@            Coverage Diff             @@
##             main     #820      +/-   ##
==========================================
+ Coverage   24.62%   24.65%   +0.02%     
==========================================
  Files         159      159              
  Lines       15905    15878      -27     
  Branches      362      361       -1     
==========================================
- Hits         3917     3915       -2     
+ Misses      11887    11862      -25     
  Partials      101      101              

Files with missing lines	Coverage Δ
crates/hyperion/src/simulation/event.rs	0.00% <ø> (ø)
crates/hyperion/src/simulation/handlers.rs	3.96% <ø> (-0.07%)	⬇️
crates/hyperion/src/storage/event/queue/mod.rs	90.32% <ø> (-0.31%)	⬇️

[github-actions]

Benchmark Results for general

ray_intersection/aabb_size_0.1                     [  24.1 ns ...  24.1 ns ]      -0.14%
ray_intersection/aabb_size_1                       [  24.1 ns ...  24.1 ns ]      -0.18%
ray_intersection/aabb_size_10                      [  23.0 ns ...  23.0 ns ]      +0.01%
ray_intersection/ray_distance_1                    [   5.2 ns ...   5.2 ns ]      -0.06%
ray_intersection/ray_distance_5                    [   9.4 ns ...   9.4 ns ]      +0.18%
ray_intersection/ray_distance_20                   [   9.4 ns ...   9.4 ns ]      -0.04%
overlap/no_overlap                                 [  31.2 ns ...  30.4 ns ]      -2.68%
overlap/partial_overlap                            [  30.2 ns ...  31.2 ns ]      +3.13%
overlap/full_containment                           [  22.9 ns ...  22.8 ns ]      -0.08%
point_containment/inside                           [   5.9 ns ...   5.9 ns ]      +0.04%
point_containment/outside                          [   5.3 ns ...   5.4 ns ]      +0.35%
point_containment/boundary                         [   5.8 ns ...   5.8 ns ]      -0.29%

Comparing to a1bb588