have set size for slimes/magma cubes, override chicken egg-laying

src/main/java/net/citizensnpcs/npc/entity/CitizensChickenNPC.java

@@ -27,5 +27,9 @@ public class CitizensChickenNPC extends CitizensMobNPC {
         @Override
         public void m_() {
         }
+
+        @Override
+        public void d() {
+        }
     }
 }

src/main/java/net/citizensnpcs/npc/entity/CitizensMagmaCubeNPC.java

@@ -22,6 +22,7 @@ public class CitizensMagmaCubeNPC extends CitizensMobNPC {
 
         public EntityMagmaCubeNPC(World world) {
             super(world);
+            setSize(3);
         }
 
         @Override

src/main/java/net/citizensnpcs/npc/entity/CitizensSlimeNPC.java

@@ -22,6 +22,7 @@ public class CitizensSlimeNPC extends CitizensMobNPC {
 
         public EntitySlimeNPC(World world) {
             super(world);
+            setSize(3);
         }
 
         @Override