Fix Docs for these 25.10 API changes

[acostadon]

WARNING: [autosummary] failed to import cugraph.batched_ego_graphs.
Possible hints:

• AttributeError: module 'cugraph' has no attribute 'batched_ego_graphs'
• ModuleNotFoundError: No module named 'cugraph.batched_ego_graphs'
• ImportError:
  WARNING: [autosummary] failed to import cugraph.node2vec.
  Possible hints:
• AttributeError: module 'cugraph' has no attribute 'node2vec'
• ModuleNotFoundError: No module named 'cugraph.node2vec'
• ImportError:
  WARNING: [autosummary] failed to import cugraph.random_walks.
  Possible hints:
• AttributeError: module 'cugraph' has no attribute 'random_walks'
• ImportError:
• ModuleNotFoundError: No module named 'cugraph.random_walks'
  WARNING: [autosummary] failed to import pylibcugraph.node2vec.
  Possible hints:
• AttributeError: module 'pylibcugraph' has no attribute 'node2vec'
• ModuleNotFoundError: No module named 'pylibcugraph.node2vec'
• ImportError: