dbus: remove some signals I wont implement

kordophoned/include/net.buzzert.kordophonecd.Server.xml

@@ -90,7 +90,7 @@
         <method name="GetAttachmentInfo">
             <arg type="s" name="attachment_id" direction="in"/>
             <arg type="(ssbb)" name="attachment_info" direction="out"/>
-            
+
             <annotation name="org.freedesktop.DBus.DocString"
                         value="Returns attachment info: 
                             - path: string
@@ -112,22 +112,11 @@
                         "/>
         </method>
 
-        <signal name="AttachmentDownloadStarted">
-            <arg type="s" name="attachment_id"/>
-            <annotation name="org.freedesktop.DBus.DocString"
-                        value="Emitted when an attachment download begins."/>
-        </signal>
-
-        <signal name="AttachmentDownloadProgress">
-            <arg type="s" name="attachment_id"/>
-            <arg type="d" name="progress"/>
-            <annotation name="org.freedesktop.DBus.DocString"
-                        value="Emitted during attachment download. Progress is a value from 0.0 to 1.0."/>
-        </signal>
-
         <signal name="AttachmentDownloadCompleted">
             <arg type="s" name="attachment_id"/>
             <arg type="s" name="file_path"/>
+            <arg type="b" name="preview"/>
+            
             <annotation name="org.freedesktop.DBus.DocString"
                         value="Emitted when an attachment download completes successfully."/>
         </signal>