OZG-5297 Removed Postfach TypeAlias

src/main/java/de/ozgcloud/admin/setting/postfach/PostfachSettingBody.java

@@ -2,8 +2,6 @@ package de.ozgcloud.admin.setting.postfach;
 
 import jakarta.validation.Valid;
 
-import org.springframework.data.annotation.TypeAlias;
-
 import de.ozgcloud.admin.setting.SettingBody;
 import lombok.Builder;
 import lombok.Getter;
@@ -12,7 +10,6 @@ import lombok.extern.jackson.Jacksonized;
 @Getter
 @Jacksonized
 @Builder
-@TypeAlias("Postfach")
 public class PostfachSettingBody implements SettingBody {
 	@Valid
 	private Absender absender;