Removed "fix" that caused project files to create new instances if there was no conflict.
Removed "fix" that caused project files to create new instances if there was no conflict.

The overriding doesn't make any sense. The original commit mentions that it should fix something, but it doesn't acutally fix it. It seems
the original issue was fixed in the proper place, leaving this code to mess everything up.

CURA-3756

Curahelper/Cura,Curahelper/Cura