Remove invalid maven compiler plugin option

Change-Id: Iaddda61456daa500ac0055f5861ebf3dc8891386
diff --git a/pom.xml b/pom.xml
index cde601d..4b8c4c6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -201,7 +201,6 @@
 					<compilerVersion>2.0</compilerVersion>
 					<source>${java.version}</source>
 					<target>${java.version}</target>
-					<argLine>-Xms512m</argLine>
 				</configuration>
 			</plugin>
 			<!-- <plugin>