Implement Attribute#removeModifier(ResourceKey) (#4076)

Author: avaruus1

src/mixins/java/org/spongepowered/common/mixin/api/minecraft/world/entity/ai/attributes/AttributeInstanceMixin_API.java

@@ -59,6 +59,7 @@ public abstract class AttributeInstanceMixin_API implements Attribute {
     @Shadow public abstract double shadow$getValue();
     @Shadow protected abstract void shadow$addModifier(net.minecraft.world.entity.ai.attributes.AttributeModifier modifier);
     @Shadow public abstract void shadow$removeModifier(net.minecraft.world.entity.ai.attributes.AttributeModifier modifier);
+    @Shadow public abstract boolean shadow$removeModifier(ResourceLocation $$0);
     @Shadow abstract Map<UUID, net.minecraft.world.entity.ai.attributes.AttributeModifier> shadow$getModifiers(net.minecraft.world.entity.ai.attributes.AttributeModifier.Operation p_225504_1_);
     @Shadow public abstract Set<net.minecraft.world.entity.ai.attributes.AttributeModifier> shadow$getModifiers();
     @Shadow public abstract boolean shadow$hasModifier(final ResourceLocation $$0);
@@ -111,6 +112,11 @@ public void removeModifier(final AttributeModifier modifier) {
         this.shadow$removeModifier((net.minecraft.world.entity.ai.attributes.AttributeModifier) (Object) Objects.requireNonNull(modifier, "modifier"));
     }
 
+    @Override
+    public void removeModifier(ResourceKey key) {
+        this.shadow$removeModifier((ResourceLocation) (Object) key);
+    }
+
     @Override
     public Optional<AttributeModifier> modifier(final ResourceKey key) {
         return Optional.ofNullable((AttributeModifier) (Object) this.shadow$getModifier((ResourceLocation) (Object) Objects.requireNonNull(key, "uniqueId")));