Fix checkstyle errors

Author: aromaa

src/main/java/org/spongepowered/api/item/recipe/smithing/ArmorTrim.java

@@ -37,6 +37,7 @@ static ArmorTrim of(TrimMaterial material, TrimPattern pattern) {
     static ArmorTrim of(Supplier<? extends TrimMaterial> material, Supplier<? extends TrimPattern> pattern) {
         return Sponge.game().factoryProvider().provide(Factory.class).create(material, pattern);
     }
+
     static ArmorTrim of(TrimMaterial material, Supplier<? extends TrimPattern> pattern) {
         return Sponge.game().factoryProvider().provide(Factory.class).create(material, pattern);
     }