HV-2015 Remove, now unnecessary, log4j dependency from test utils

- since 6.0 the logger util was replaced by log4j list appender and later by a custom one present in the validator engine tests only

Author: marko-bekhta

test-utils/pom.xml

@@ -61,11 +61,6 @@
             <groupId>jakarta.validation</groupId>
             <artifactId>jakarta.validation-api</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-            <scope>provided</scope>
-        </dependency>
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>