Continue to remove $Id$ from top of file

Remove all $Id:$ (by hand)

Change-Id: Ia8790ee852fe338469e855713199220d345a59b7
Reviewed-on: https://code.wireshark.org/review/880
Reviewed-by: Anders Broman <a.broman58@gmail.com>

dtds/dc.dtd

@@ -1,7 +1,4 @@
 <? wireshark:protocol proto_name="dc" description="Dublin Core Metadata (DC)" ?>
-<!--
-$Id:$
--->
 <!--
     elements definitions for the Dublin Core Metadata DC schema
     element names obtained from http://www.dublincore.org/schemas/xmls/qdc/2003/04/02/dc.xsd

dtds/itunes.dtd

@@ -1,7 +1,4 @@
 <? wireshark:protocol proto_name="itunes" hierarchy="yes" description="iTunes podCast rss elements" ?>
-<!--
-$Id:$
--->
 
 <!DOCTYPE itunes [
     

dtds/mscml.dtd

@@ -3,9 +3,6 @@
    media="application/mediaservercontrol+xml" 
    description="Media Server Control Markup Language - draft 07"
    hierarchy="yes" ?>
-<!--
-$Id:$
--->
 
 <!--
     DTD for MSCML - draft 07

dtds/pocsettings.dtd

@@ -2,9 +2,6 @@
    proto_name="poc-settings"
    description="poc-settings XML doc (RFC 4354)"
    hierarchy="yes" ?>
-<!--
-$Id:$
--->
 
 
 <!ELEMENT poc-settings (entity)* >

dtds/rss.dtd

@@ -1,7 +1,4 @@
 <? wireshark:protocol proto_name="rss" hierarchy="yes" ?>
-<!--
-$Id:$
--->
 
 <!--
     this DTD is made so that wireshark can dissect RSS up to 2.0, do not try to use it for validating RSS documents

dtds/smil.dtd

@@ -3,9 +3,6 @@
 	media="application/smil"
 	description="Synchronized Multimedia Integration Language"
 	?>
-<!--
-$Id:$
--->
 
 <!--