When your first open the camera app on LG G5 you are asked whether to tag photos and videos with their location or not? If you have already said YES but don't want this location tag be enabled, you need to do as follows to disable Geo-location for photos on LG G5 camera.
1. Open the Settings app on your LG G5
2.1. On the Tab view, go to the General tab and under the Personal settings, go to the Location settings
2.2 On the List view, scroll down to the Personal settings, and then touch to open the Location settings
3. Now, scroll down to the Location Services settings, and make sure to toggle OFF the Camera option.
4. Your taken photos or videos will no longer have a location tag on your LG G5.