remove unused log4j dependency in the version definition section of p…

…om.xml

Signed-off-by: Ceki Gulcu <ceki@qos.ch>

pom.xml

@@ -48,7 +48,6 @@
     <slf4j.api.minimum.compatible.version>1.6.0</slf4j.api.minimum.compatible.version>
     <cal10n.version>0.8.1</cal10n.version>
     <reload4j.version>1.2.22</reload4j.version>    
-    <log4j.version>1.2.17</log4j.version>
     <logback.version>1.2.10</logback.version>
     <junit.version>4.13.1</junit.version>
     <maven-site-plugin.version>3.7.1</maven-site-plugin.version>
@@ -120,13 +119,6 @@
         <version>${project.version}</version>
       </dependency>
 
-
-      <dependency>
-        <groupId>log4j</groupId>
-        <artifactId>log4j</artifactId>
-        <version>${log4j.version}</version>
-      </dependency>
-
       <dependency>
         <groupId>ch.qos.reload4j</groupId>
         <artifactId>reload4j</artifactId>