[2500] re-enabled non-absolute name in SOA Rdata for loadzone tests.

this will pass on completion of this task.

src/bin/loadzone/tests/correct/include.db

@@ -1,8 +1,6 @@
 $ORIGIN include.   ; initialize origin
 $TTL 300
-; this needs #2500
-;@			IN SOA	ns hostmaster (
-@			IN SOA	ns.include. hostmaster.include. (
+@			IN SOA	ns hostmaster (
 				1        ; serial
 				3600
 				1800

src/bin/loadzone/tests/correct/mix1.db

@@ -1,7 +1,5 @@
 $ORIGIN mix1.
-; this needs #2500
-;@			IN SOA	ns hostmaster (
-@			IN SOA	ns.mix1. hostmaster.mix1. (
+@			IN SOA	ns hostmaster (
 				1        ; serial
 				3600
 				1800

src/bin/loadzone/tests/correct/mix2.db

@@ -1,7 +1,5 @@
 $ORIGIN mix2.
-; this needs #2500
-;@		1	IN SOA	ns hostmaster (
-@		1	IN SOA	ns.mix2. hostmaster.mix2. (
+@		1	IN SOA	ns hostmaster (
 				1        ; serial
 				3600
 				1800

src/bin/loadzone/tests/correct/ttl1.db

@@ -1,7 +1,5 @@
 $ORIGIN ttl1.
-; this needs #2500
-;@			IN SOA	ns hostmaster (
-@			IN SOA	ns.ttl1. hostmaster.ttl1. (
+@			IN SOA	ns hostmaster (
 				1        ; serial
 				3600
 				1800

src/bin/loadzone/tests/correct/ttl2.db

@@ -1,7 +1,5 @@
 $ORIGIN ttl2.
-; this needs #2500
-;@		1	IN SOA	ns hostmaster (
-@		1	IN SOA	ns.ttl2. hostmaster.ttl2 (
+@		1	IN SOA	ns hostmaster (
 				1        ; serial
 				3600
 				1800

src/bin/loadzone/tests/correct/ttlext.db

@@ -1,7 +1,5 @@
 $ORIGIN ttlext.
-; this needs #2500
-;@			IN SOA	ns hostmaster (
-@			IN SOA	ns.ttlext. hostmaster.ttlext. (
+@			IN SOA	ns hostmaster (
 				1        ; serial
 				3600
 				1800