Use junit from lighty core

There is no need to set the version since we are getting
it already from lighty core.

JIRA: LIGHTY-368
Signed-off-by: tobias.pobocik <tobias.pobocik@pantheon.tech>

Author: Tobianas

examples/parents/examples-bom/pom.xml

@@ -64,16 +64,6 @@
                 <version>23.0.0-SNAPSHOT</version>
             </dependency>
 
-            <dependency>
-                <groupId>org.junit.jupiter</groupId>
-                <artifactId>junit-jupiter-api</artifactId>
-                <version>5.11.2</version>
-            </dependency>
-            <dependency>
-                <groupId>org.junit.jupiter</groupId>
-                <artifactId>junit-jupiter-engine</artifactId>
-                <version>5.11.2</version>
-            </dependency>
             <dependency>
                 <groupId>org.xmlunit</groupId>
                 <artifactId>xmlunit-core</artifactId>