October 31st, 2014 03:51 PM
You did nothing foolish. You merely did your install in Legacy mode and have a legacy mode bootloader.
If you were to "show all files" and delete the hidden boot file from the OS X root, then "hide all files" because you don't need to see the hidden files any more, then install Clover UEFI mode you could boot UEFI.
What I would do if I were...