UtBS: final set of updated character portraits by LordBob

Elyssa no longer has a Silver Mage portrait variant.

(cherry-picked from commit 45b4bb5b27)

data/campaigns/Under_the_Burning_Suns/scenarios/02_Across_the_Harsh_Sands.cfg

@@ -1057,15 +1057,6 @@
             [modifications]
                 {TRAIT_LOYAL}
                 {TRAIT_QUICK}
-                [object]
-                    [effect]
-                        apply_to=profile
-                        [filter]
-                            type=Silver Mage
-                        [/filter]
-                        portrait=portraits/elyssa_silver.png
-                    [/effect]
-                [/object]
                 # boost Elyssa's movement on sand
                 # - she'll be dragging her feet, anyway
                 # drop her quick trait instead

data/campaigns/Under_the_Burning_Suns/units/nagas/Naga_Hunter.cfg

@@ -4,7 +4,7 @@
     name= _ "Naga Hunter"
     race=naga
     image="units/nagas/hunter.png"
-    profile="portraits/nagas/fighter.png"
+    profile="portraits/naga-hunter.png"
     hitpoints=33
     movement_type=naga
     movement=7