refactor: remove admingrouplib

NOTICE

@@ -15,8 +15,6 @@ See the License for the specific language governing permissions and
 limitations under the License.
 
 This project includes:
-  admingrouplib under Apache License, Version 2.0
-  Angus Activation Registries under EDL 1.0
   AntLR Parser Generator under BSD License
   Apache Commons Codec under Apache License, Version 2.0
   Apache Commons Collections under Apache License, Version 2.0
@@ -80,7 +78,6 @@ This project includes:
   JAXB Runtime under Eclipse Distribution License - v 1.0
   JBoss Logging 3 under Apache License, version 2.0
   JCL 1.2 implemented over SLF4J under Apache License, Version 2.0
-  JDT Annotations for Enhanced Null Analysis under Eclipse Public License - v 2.0
   Joda-Time under Apache License, Version 2.0
   JSON library from Android SDK under Apache License 2.0
   JSON Small and Fast Parser under The Apache Software License, Version 2.0
@@ -104,8 +101,6 @@ This project includes:
   mockito-junit-jupiter under The MIT License
   MySQL Connector/J under The GNU General Public License, v2 with Universal FOSS Exception, v1.0
   Objenesis under Apache License, Version 2.0
-  Old JAXB Core under Eclipse Distribution License - v 1.0
-  Old JAXB Runtime under Eclipse Distribution License - v 1.0
   org.apiguardian:apiguardian-api under The Apache License, Version 2.0
   org.opentest4j:opentest4j under The Apache License, Version 2.0
   org.xmlunit:xmlunit-core under The Apache Software License, Version 2.0

pom.xml

@@ -103,11 +103,6 @@
       <artifactId>assertj-core</artifactId>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>org.esco.admingroup</groupId>
-      <artifactId>admingrouplib</artifactId>
-      <version>11.0.0</version>
-    </dependency>
     <dependency>
       <groupId>org.hibernate.validator</groupId>
       <artifactId>hibernate-validator</artifactId>