I feel like a bad friend

I was recently scrolling through my followers and following on Instagram, and I discovered that I don't follow my friend on her second private account which has pictures. I used to follow it and I must have accidently clicked unfollow since it only takes one click. And the thing is, I could have done it even a year ago. I just pressed request to follow yesterday. I still follow her main account and we used to message on that account frequently but never on her second account. I felt guilty for unfollowing one of her accounts. I don't know if she's noticed or if she's bitter?

While you're on here, can anyone give me tips on talking with her or relieving my anxiety? We used to be best friends a few years ago until she moved schools. We used to text all the time, but after she moved schools, I felt more and more distant from her. The last time I texted her was 2 months ago and once, I went 4-5 months without contacting her. I felt like a bad friend because I promised her that I would contact her often. I feel like our current conversations are kind of shallow, like how are you doing, what's going on in school, and what are doing during the weekend? Last time I saw her in person was one or two months before quarantine with our friend group when we were hanging out. I felt awkward with her in person and sometimes, I feel nervous about texting or talking to her because I feel like we're distant even though she just goes to another school in the area.

She has new friends now at her new school so I'm sure she has people to talk to, but I feel guilty for not being as close to her as I used to be.