Fix javadoc (#4276)

Spigot-API-Patches/Add-playPickupItemAnimation-to-LivingEntity.patch

@@ -15,9 +15,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +
 +    /**
 +     * Plays pickup item animation towards this entity.
-+     * <p/>
++     * <p>
 +     * <b>This will remove the item on the client.</b>
-+     * <p/>
++     * <p>
 +     * Quantity is inferred to be that of the {@link Item}.
 +     *
 +     * @param item item to pickup
@@ -28,7 +28,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +
 +    /**
 +     * Plays pickup item animation towards this entity.
-+     * <p/>
++     * <p>
 +     * <b>This will remove the item on the client.</b>
 +     *
 +     * @param item item to pickup