I may be missing something here, but here's what I understand....
The system is mounting /dev/sda5 as /home, using the UUID of the file system on /dev/sda5, as specified in /etc/fstab.
*Something* is wanting something else that it somehow knows is located on LV fedora_localhost--live-home. What it wants or how it knows it is there is beyond me - sorry!
But my question would be - which is the *correct* file system for /home? The one on sda5, or the one on fedora_localhost--live-home?