Am I wrong for ignoring my ex girlfriend even though she left me?

So sometimes she’ll try to call me or text me like normal and I don’t like to ever respond I do sometimes and I feel bad but she says she doesn’t know if she has feelings still. I still like her and want her back but I’ve told her it’s too hard just being friends! I don’t want to lose hope and push her away more but at the same time I’m not going to wait and I’ll slowly move on until she tells me other wise I don't know weather to keep ignoring if I still want her or just give simple responses.

Am I wrong for ignoring my ex girlfriend even though she left me?
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