use the same ejml version used by j4ml (#636)

Author: raffaelladevita

common-tools/clas-tracking/pom.xml

@@ -16,8 +16,8 @@
   <dependencies>
     <dependency>
         <groupId>org.ejml</groupId>
-        <artifactId>ejml-all</artifactId>
-        <version>0.44.0</version>
+        <artifactId>ejml-simple</artifactId>
+        <version>0.40</version>
     </dependency>
     <dependency>
       <groupId>org.jlab.clas</groupId>