docs: remove eom-dialog.xml reference to fix distcheck

Author: raveit65

doc/reference/eom-docs.sgml.in

@@ -25,7 +25,6 @@
       @EOM_DOC_EXIF_START@
       <xi:include href="xml/eom-exif-details.xml"/>
       @EOM_DOC_EXIF_STOP@
-      <xi:include href="xml/eom-dialog.xml"/>
       <xi:include href="xml/eom-sidebar.xml"/>
       <xi:include href="xml/eom-thumbnail.xml"/>
       <xi:include href="xml/eom-save-as-dialog-helper.xml"/>