remove the unused db_file configuration setting (xfrout takes it file from auth settings)

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@3695 e5f2f494-b856-4b98-b285-d166d9295462

src/bin/xfrin/b10-xfrin.xml

@@ -149,7 +149,6 @@
       the authoritative server to transfer from,
       and <varname>port</varname> to define the port number on the
       authoritative server (defaults to 53).
-<!-- TODO: note: not documenting db_file since that will be removed. -->
      </para>
 <!-- TODO: later hostname for master? -->
 

src/bin/xfrout/b10-xfrout.xml

@@ -94,13 +94,6 @@
       The configurable settings are:
     </para>
     <para>
-      <varname>db_file</varname>
-      defines the path to the SQLite3 data store file.
-      The default is
-      <filename>/usr/local/var/bind10-devel/zone.sqlite3</filename>.
-<!-- TODO: db_file will be removed -->
-    </para>
-    <para>
       <varname>transfers_out</varname>
       defines the maximum number of outgoing zone transfers
       that can run concurrently. The default is 10.

src/bin/xfrout/xfrout.spec.pre.in

@@ -9,12 +9,6 @@
          "item_default": 10
        },
        {
-         "item_name": "db_file",
-         "item_type": "string",
-         "item_optional": false,
-         "item_default": "@@LOCALSTATEDIR@@/@PACKAGE@/zone.sqlite3"
-       },
-       {
          "item_name": "log_name",
          "item_type": "string",
          "item_optional": false,