Fix Custom Recipe not being registered.

Fix conflict from api not working.
Add remove api for custom recipe, material group and conflict.

src/main/java/xyz/alexcrea/cuanvil/api/ConflictAPI.java

@@ -41,7 +41,7 @@ public class ConflictAPI {
         EnchantConflictGroup conflict = builder.build();
 
         // Register conflict
-        ConfigHolder.CONFLICT_HOLDER.getConflictManager().getConflictList().add(conflict);
+        ConfigHolder.CONFLICT_HOLDER.getConflictManager().addConflict(conflict);
 
         // Add conflict to gui
         EnchantConflictGui.INSTANCE.updateValueForGeneric(conflict, true);
@@ -110,6 +110,25 @@ public class ConflictAPI {
         return result;
     }
 
+    /**
+     * Remove a conflict.
+     *
+     * @param conflict The conflict to remove
+     * @return True if successful.
+     */
+    public static boolean removeConflict(@NotNull EnchantConflictGroup conflict){
+        // Remove from registry
+        ConfigHolder.CONFLICT_HOLDER.getConflictManager().removeConflict(conflict);
+
+        // Write as null and save to file
+        ConfigHolder.CONFLICT_HOLDER.getConfig().set(conflict.getName(), null);
+        prepareSaveTask();
+
+        // Remove from gui
+        EnchantConflictGui.INSTANCE.removeGeneric(conflict);
+
+        return true;
+    }
 
     /**
      * Prepare a task to save conflict configuration.

src/main/java/xyz/alexcrea/cuanvil/api/CustomAnvilRecipeApi.java

@@ -11,6 +11,9 @@ import xyz.alexcrea.cuanvil.recipe.AnvilCustomRecipe;
 import java.util.Collections;
 import java.util.List;
 
+/**
+ * Custom Anvil api for custom anvil recipes.
+ */
 @SuppressWarnings("unused")
 public class CustomAnvilRecipeApi {
 
@@ -47,16 +50,39 @@ public class CustomAnvilRecipeApi {
             return false;
         }
 
+        // Add to registry
+        ConfigHolder.CUSTOM_RECIPE_HOLDER.getRecipeManager().cleanAddNew(recipe);
+
         // Save to file
         recipe.saveToFile(false, false);
         prepareSaveTask();
 
-        // Update gui
+        // Add from gui
         CustomRecipeConfigGui.INSTANCE.updateValueForGeneric(recipe, true);
 
         return true;
     }
 
+    /**
+     * Remove a custom anvil recipe.
+     *
+     * @param recipe The recipe to remove
+     * @return True if successful.
+     */
+    public static boolean removeRecipe(@NotNull AnvilCustomRecipe recipe){
+        // Remove from registry
+        ConfigHolder.CUSTOM_RECIPE_HOLDER.getRecipeManager().cleanRemove(recipe);
+
+        // Write as null and save to file
+        ConfigHolder.CUSTOM_RECIPE_HOLDER.getConfig().set(recipe.getName(), null);
+        prepareSaveTask();
+
+        // Remove from gui
+        CustomRecipeConfigGui.INSTANCE.removeGeneric(recipe);
+
+        return true;
+    }
+
     /**
      * Prepare a task to save custom recipe configuration.
      */

src/main/java/xyz/alexcrea/cuanvil/api/MaterialGroupApi.java

@@ -121,6 +121,30 @@ public class MaterialGroupApi {
 
     }
 
+    /**
+     * Remove a material group.
+     * Caution ! It will not be removed from depending conflict or other material group at runtime.
+     * For that reason, it is not recommended to use this function.
+     *
+     * @param group The recipe to remove
+     * @return True if successful.
+     */
+    public static boolean removeGroup(@NotNull AbstractMaterialGroup group){
+        // Remove from registry
+        ConfigHolder.ITEM_GROUP_HOLDER.getItemGroupsManager().groupMap.remove(group.getName());
+
+        // Write as null and save to file
+        ConfigHolder.ITEM_GROUP_HOLDER.getConfig().set(group.getName(), null);
+        prepareSaveTask();
+
+        // Remove from gui
+        if(group instanceof IncludeGroup includeGroup){
+            GroupConfigGui.INSTANCE.removeGeneric(includeGroup);
+        }
+
+        return true;
+    }
+
     /**
      * Prepare a task to reload every conflict.
      */

src/main/java/xyz/alexcrea/cuanvil/gui/config/list/elements/EnchantConflictSubSettingGui.java

@@ -118,10 +118,7 @@ public class EnchantConflictSubSettingGui extends MappedToListSubSettingGui impl
             EnchantConflictManager manager = ConfigHolder.CONFLICT_HOLDER.getConflictManager();
 
             // Remove from enchantment
-            for (CAEnchantment enchantment : this.enchantConflict.getEnchants()) {
-                enchantment.removeConflict(this.enchantConflict);
-            }
-            manager.conflictList.remove(this.enchantConflict);
+            manager.removeConflict(this.enchantConflict);
 
             // Remove from parent
             this.parent.removeGeneric(this.enchantConflict);