That's okay, i didnt have that many games anyway and i don't care about the save games
One last question (i promise)
What do i need to do to start freshly start over to install Luma3DS? Is it enough to just format my SD card??
Well, you're going to need to format your SD card and remove your EmuNAND. You can run EmuNAND9 and select the FormatSD card (No EmuNAND) option. That will format your SD card and remove the EmuNAND (duh). Backup your SD card first though, so you can put the Nintendo 3DS folder back again. I think that's the only thing you really need IIRC, but someone has to confirm that.
What you should do now: backup your current SD card and then continue to format it in EmuNAND9 to remove the EmuNAND. Then wait I guess until someone confirms you only need the Nintendo 3DS folder back. Maybe you can even just put it back into your 3DS and have it initiliaze itself, but I don't really know that much about this topic unfortunately