Remove obsolete ejml version property

Author: ctrueden

pom.xml

@@ -1639,8 +1639,6 @@
 		<!-- Ejml - https://github.com/lessthanoptimal/ejml -->
 		<ejml.version>0.41</ejml.version>
 		<org.ejml.ejml-all.version>${ejml.version}</org.ejml.ejml-all.version>
-		<!-- NB: older versions had a different groupId; this should be removed in a future pom-scijava release. -->
-		<com.googlecode.efficient-java-matrix-library.ejml.version>0.25</com.googlecode.efficient-java-matrix-library.ejml.version>
 
 		<!-- Error Prone - https://errorprone.info/ -->
 		<error_prone.version>2.25.0</error_prone.version>