Remove obsolete version properties.

Either completely obsolete or maintained in Spring Data Build.

Author: odrotbohm

pom.xml

@@ -16,13 +16,11 @@
 	</parent>
 
 	<properties>
-		<javaslang>2.0.6</javaslang>
-		<vavr>0.10.4</vavr>
-		<eclipse-collections>11.0.0</eclipse-collections>
+
 		<scala>2.11.7</scala>
 		<xmlbeam>1.4.23</xmlbeam>
-
 		<java-module-name>spring.data.commons</java-module-name>
+
 	</properties>
 
 	<dependencies>