I was going to say that the love hotel emoji was the only one I could think of, but in the process of trying to find the emojipedia link (https://emojipedia.org/love-hotel) I found a Reddit thread that leads to a now-defunct blog post:

12 years ago - Apple removes beer, wine, love hotel, and other emojis from insertion palette in Messages app https://www.reddit.com/r/apple/comments/2qqaya/apple_removes...

The blog it links to is dead, so here's an archive link: https://web.archive.org/web/20150312182931/http://blog.getem...