Alienware X51 Security Password/User Password

Hello there, recently I have purchased an Alienware X51. I was setting up the first boot-up, and noticed some settings labeled "Set Security Password". Thinking that it would set up the first and only password required to log in, I set one. Now, realizing that I have to enter to different passwords to log-in is looking for ways to get rid of this burden and keep one password only. 

tl;dr 

I would like to find a way to delete the Security Password.

( To find the settings of the Security Password, quickly click F2 on the start up. It should say F2 or something of the sort in one of the corners )

It would be highly appreciated if you were able to help me out with my problem.