fix: issue with SentenceTransformer asking for HF token but not manda…

[Fosowl]

SentenceTransformer asking for HF token but not mandatory, so pass token=false

self.model = SentenceTransformer("all-MiniLM-L6-v2", token=False)

New users would get the issue unless they have a HF token despite not being necessary. To merge quickly

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