Adjust infernal mob name colors

I found the aqua used for the lowlevel infernal mob to be a bit hard to
read against the blue sky.

Before:
aqua -> yellow -> gold

After:
yellow -> gold -> red

src/main/java/atomicstryker/infernalmobs/common/modifiers/MobModifier.java

@@ -417,10 +417,10 @@ public String getEntityDisplayName(EntityLivingBase target) {
             }
 
             String prefix = size <= 5
-                ? EnumChatFormatting.AQUA + StatCollector.translateToLocal("translation.infernalmobs:rareClass")
+                ? EnumChatFormatting.YELLOW + StatCollector.translateToLocal("translation.infernalmobs:rareClass")
                 : size <= 10
-                    ? EnumChatFormatting.YELLOW + StatCollector.translateToLocal("translation.infernalmobs:ultraClass")
-                    : EnumChatFormatting.GOLD
+                    ? EnumChatFormatting.GOLD + StatCollector.translateToLocal("translation.infernalmobs:ultraClass")
+                    : EnumChatFormatting.RED
                         + StatCollector.translateToLocal("translation.infernalmobs:infernalClass");
 
             buffer = prefix + modprefix + buffer;