They didn't move from the Swastika the Wolfsangel was part of the Azov logo from the very start.

Pre-integration: The letters "Azov", Wolfsangel, black sun, some waves, and the Ukrainian trident.

Post-integration: The letters "Azov", Wolfsangel.

...the trident also vanished, presumably because it's already on the other patch they're wearing, anyway. Inb4 "waah that's a torch Nazis used torches the Ukrainian National Guard is Nazis".