Minor update: remove junit version override, let 4.13.1 come via parent pom

Author: cowtowncoder

pom.xml

@@ -52,7 +52,6 @@
         <javac.src.version>1.8</javac.src.version>
         <javac.target.version>1.8</javac.target.version>
 
-        <version.junit>4.12</version.junit>
         <version.kotlin>1.4.10</version.kotlin>
 
         <!-- Generate PackageVersion.java into this directory. -->