I do not know from where the reports are coming but I imagine someone who recently got banned is trying to report all my posts.
I had one deleted post in May and another in March. I think there is a big gap in between these two deleted posts. On average we can say one post per month getting deleted. But within last weeks after I had reported an user as probable AI, I am having a lot of my old posts deleted. Will I be banned for such deleted posts? May be I had spam posts in the past and they are being deleted now. Will mod consider me as spammer? Just saying, some of my deleted posts are not spam at all. They were on topic, not repetitive and of course something new which no one added before my post.
I didn't remove them but one user has been reporting a lot of 'spam' posts from a fair few users. You likely won't be banned for it, especially it it was long ago. You need to be consistently posting crap to get a ban for that and leniency will likely be show for old posts that have gone overlooked.