Pick up Mockito version from Parent POM

pom.xml

diff --git a/pom.xml b/pom.xml
index d754909..8643876 100644
--- a/pom.xml
+++ b/pom.xml
@@ -80,7 +80,6 @@
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>
-      <version>${commons.mockito.version}</version>
       <scope>test</scope>
     </dependency>
   </dependencies>