Remove outdated note about USE_RCORDER

Add suggestion to use devel/rclint to check rc scripts

Scripts ending .sh.in were renamed a while ago, so make the comment
regarding those less prominent

Approved by:	gjb (mentor)

en_US.ISO8859-1/books/porters-handbook/book.xml

@@ -9905,15 +9905,6 @@ post-patch:
 	<link linkend="using-sub-files">the relevant
 	  section</link>.</para>
 
-      <para>Prior to &os;&nbsp;6.1-RELEASE, integration with
-	&man.rcorder.8; is available by using
-	<varname>USE_RCORDER</varname> instead of
-	<varname>USE_RC_SUBR</varname>.  However, use of this method
-	is not necessary unless the port has an option to install
-	itself in the base, or the service needs to run prior to the
-	<filename>FILESYSTEMS</filename> <filename>rc.d</filename>
-	script in the base.</para>
-
       <para>As of &os;&nbsp;6.1-RELEASE, local
 	<filename>rc.d</filename> scripts (including those installed
 	by ports) are included in the overall &man.rcorder.8; of the
@@ -9985,11 +9976,6 @@ run_rc_command "$1"</programlisting>
 	<literal>_enable</literal> variable is not optional,
 	and should use the &quot;:&quot; for the default.</para>
 
-      <note>
-	<para>No new scripts should be added with the
-	  <filename>.sh</filename> suffix.</para>
-      </note>
-
       <sect2>
 	<title>Pre-Commit Checklist</title>
 
@@ -9998,12 +9984,16 @@ run_rc_command "$1"</programlisting>
 	  before committing one, please consult the following
 	  checklist to be sure that it is ready.</para>
 
+	<para>The <package role="port">devel/rclint</package>
+	  port can check for most of these, but it is not a
+	  substitute for proper review.</para>
+
 	<procedure>
 	  <step>
 	    <para>If this is a new file, does it have
 	      <filename>.sh</filename> in the file name?  If so that
 	      should be changed to just <filename>file.in</filename>
-	      since new <filename>rc.d</filename> files may not end
+	      since <filename>rc.d</filename> files may not end
 	      with that extension.</para>
 	  </step>