Revert "Fix: Missing super().__del__() in Cycles and Hydra render engine"

This is leading to "'super' object has no attribute '__del__'" errors
in some situations. As explained in #132476 this is only for future
proofing, so don't do it yet.

This reverts commit f301952b6a.

intern/cycles/blender/addon/__init__.py

@@ -55,7 +55,6 @@ class CyclesRender(bpy.types.RenderEngine):
 
     def __del__(self):
         engine.free(self)
-        super().__del__()
 
     # final render
     def update(self, data, depsgraph):

scripts/modules/bpy_types.py

@@ -1351,7 +1351,6 @@ class HydraRenderEngine(RenderEngine):
             if self.engine_ptr:
                 import _bpy_hydra
                 _bpy_hydra.engine_free(self.engine_ptr)
-        super().__del__()
 
     def get_render_settings(self, engine_type: str):
         """