drawing.create_camera not to assign camera to the scene collection

Noticed that added drawing camera was linked to the scene collection and after collector.assign it was linked to the 2 collections instead of just 1 - it's own drawing collection and the scene collection.

src/bonsai/bonsai/tool/drawing.py

@@ -265,7 +265,6 @@ class Drawing(bonsai.core.tool.Drawing):
         else:
             camera.data.BIMCameraProperties.diagram_scale = "1:100|1/100"
         camera.matrix_world = matrix
-        bpy.context.scene.collection.objects.link(camera)
         return camera
 
     @classmethod

src/bonsai/test/tool/test_drawing.py

@@ -61,7 +61,7 @@ class TestCreateCamera(NewFile):
         assert obj.data.type == "PERSP"
         assert obj.data.ortho_scale == 50
         assert obj.data.clip_end == 10
-        assert obj.users_collection[0] == bpy.context.scene.collection
+        assert obj.users_collection == tuple()
 
 
 class TestCreateSvgSheet(NewFile):