First off, welcome to BFSSFG.

Second, just a heads up: 'brakes vs no brakes' is one of the oldest debates in the fixed gear world and there really isn't a right answer. If you want to read up on what others think, make some popcorn and use the search function. Or alternatively, watch the same debate go down here.

I'm going to assume that you want to go brakeless and are just looking for a valid reason to tell others why you choose not to run brakes. I'm not trying to be a jerk, but am simply going off of what 99% of people ask that question are really looking for. If you really want to ride without brakes, no one here is going to judge you for it. Just remember a couple things:

-make sure you have a good quality lockring
-foot retention
-backup plan if you drop your chain
-be sensible about your choice of gearing on the street
-when you fall, try and keep your hands on the bars as you fall.

If you're new to fixed gear, i'd say keep a front brake. You always have the choice to not use it. If you're more concerned about street cred and/or clean lines being ruined by a brake, then nothing I or anyone here can say will change your mind.

Hope this helps.
(FWIW i rode brakeless and had fun until my knees stopped having fun because old)

(Also if street cred, then go ****** brake like DA/Red/Record/PlanetX)