ASTERIXDB-1136: Make Java compiler target configurable via profile

Change-Id: I10378f9d3fdec9b4951f53c9b370b7741668e537
Reviewed-on: https://asterix-gerrit.ics.uci.edu/273
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>
diff --git a/hyracks/hyracks-storage-am-lsm-invertedindex/pom.xml b/hyracks/hyracks-storage-am-lsm-invertedindex/pom.xml
index 34e6122..af70253 100644
--- a/hyracks/hyracks-storage-am-lsm-invertedindex/pom.xml
+++ b/hyracks/hyracks-storage-am-lsm-invertedindex/pom.xml
@@ -37,19 +37,7 @@
     </license>
   </licenses>
 
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-compiler-plugin</artifactId>
-				<version>2.0.2</version>
-				<configuration>
-					<source>1.7</source>
-					<target>1.7</target>
-				</configuration>
-			</plugin>
-		</plugins>
-	</build>
+
 	<dependencies>
 		<dependency>
 			<groupId>org.apache.hyracks</groupId>