Clean up after java/openjdk6 and java/openjdk6-jre removal

java/openjdk6 support was removed from Mk/bsd.java.mk (r512662) and
java/openjdk6 and java/openjdk6-jre were removed from the ports tree
(r512663).  Now this patch completely removes remaining stuff from the
ports tree.

PR:			241953 (exp-run)
Reviewed by:		glewis
Approved by:		portmgr (antoine)
Differential Revision:	https://reviews.freebsd.org/D22342

editors/drjava/Makefile

@@ -3,7 +3,7 @@
 
 PORTNAME=	drjava
 DISTVERSION=	20140826-r5761
-PORTREVISION=	0
+PORTREVISION=	1
 CATEGORIES=	editors java
 MASTER_SITES=	SF/${PORTNAME}/1.%20DrJava%20Stable%20Releases/${PORTNAME}-stable-${DISTVERSION}
 DISTNAME=	${PORTNAME}-stable-${PORTVERSION:S|.|-|g}
@@ -15,7 +15,6 @@ COMMENT=	Lightweight IDE for writing Java programs
 
 NO_BUILD=	yes
 USE_JAVA=	yes
-JAVA_VERSION=	1.6+
 
 SUB_FILES=	${PORTNAME}
 SUB_LIST=	DRJAVAJAR=${DRJAVAJAR}

editors/drjava/files/drjava.in

@@ -1,4 +1,3 @@
 #!/bin/sh
 # $FreeBSD$
-JAVA_VERSION="%%JAVA_VERSION%%"	\
 exec "%%LOCALBASE%%/bin/java" -jar %%DATADIR%%/%%DRJAVAJAR%% "$@"