Geometry Nodes: move bundle and closure nodes out of experimental

This moves the bundles and closures features out of experimental,
making them an official part of Blender 5.0.

Also see #134029.

Pull Request: https://projects.blender.org/blender/blender/pulls/143750

tests/python/geo_node_test.py

@@ -5,18 +5,10 @@
 
 import os
 import sys
-import bpy
 
 sys.path.append(os.path.dirname(os.path.realpath(__file__)))
 from modules.mesh_test import BlendFileTest
 
-if "closure" in bpy.data.filepath:
-    if bpy.app.version_cycle == "alpha":
-        bpy.context.preferences.experimental.use_bundle_and_closure_nodes = True
-    else:
-        print("Skipped because bundles and closures are still experimental.")
-        sys.exit(0)
-
 geo_node_test = BlendFileTest("test_object", "expected_object", threshold=1e-4)
 result = geo_node_test.run_test()