Make constructor of services non-public

Author: benwoo1110

src/main/java/org/mvplugins/multiverse/inventories/profile/InventoryDataProvider.java

@@ -37,7 +37,7 @@ public final class InventoryDataProvider {
     private final MultiverseInventories inventories;
 
     @Inject
-    public InventoryDataProvider(
+    InventoryDataProvider(
             @NotNull ProfileContainerStoreProvider profileContainerStoreProvider,
             @NotNull MultiverseInventories inventories
     ) {

src/main/java/org/mvplugins/multiverse/inventories/view/InventoryGUIHelper.java

@@ -27,8 +27,8 @@ public final class InventoryGUIHelper {
 
     private final NamespacedKey IS_FILLER_KEY; // Key to mark filler items
 
-    @Inject // Inject MultiverseInventories to create NamespacedKey
-    public InventoryGUIHelper(@NotNull MultiverseInventories inventories) {
+    @Inject
+    InventoryGUIHelper(@NotNull MultiverseInventories inventories) {
         this.IS_FILLER_KEY = new NamespacedKey(inventories, "is_mvinv_filler");
     }