Removed generate_uni_identity from randomize_human() proc since it's already called by ready_dna right after.

Simplifies mutation overlay updating code.

code/modules/admin/create_mob.dm

@@ -20,6 +20,5 @@
 	H.facial_hair_color = H.hair_color
 	H.eye_color = random_eye_color()
 	H.dna.blood_type = random_blood_type()
-	H.dna.generate_uni_identity(H)
 	H.update_body()
 	H.update_hair()