Fixes another image harddel in station blueprints (and more) (#80780)

## About The Pull Request


![image](https://github.com/tgstation/tgstation/assets/13398309/063c58ef-6233-4c91-aaf0-7e9589c0e912)

Tin. Just more uncovering of some of these image harddels.
`blueprint_data` is a list of images.

I also went through the code and looked for any more instances of images
being qdeleted that I could find.

## Why It's Good For The Game

Hard dels begone

## Changelog

🆑
fix: fixes an /image harddel in station blueprints
code: cleaned up some more /image qdels
/🆑

code/datums/components/lock_on_cursor.dm

@@ -97,7 +97,6 @@
 		return
 	for(var/image/overlay as anything in lock_images)
 		owner.client.images -= overlay
-		qdel(overlay)
 	lock_images.Cut()
 
 /// Reset the overlays on all targets