man: ship systemd-udevd as the real manpage

Instead of making systemd-udevd a so-link to systemd-udevd.service,
ship the real page as systemd-udevd to integrate better with distros
where udevd might be run standalone.

Makefile.am

@@ -1659,16 +1659,16 @@ libudev_private_la_LIBADD = \
 MANPAGES += \
 	man/udev.7 \
 	man/udevadm.8 \
-	man/systemd-udevd.service.8
+	man/systemd-udevd.8
 
 MANPAGES_ALIAS += \
-	man/systemd-udevd.8 \
+	man/systemd-udevd.service.8 \
 	man/systemd-udevd-control.socket.8 \
 	man/systemd-udevd-kernel.socket.8
 
-man/systemd-udevd.8: man/systemd-udevd.service.8
-man/systemd-udevd-control.socket.8: man/systemd-udevd.service.8
-man/systemd-udevd-kernel.socket.8: man/systemd-udevd.service.8
+man/systemd-udevd.service.8: man/systemd-udevd.8
+man/systemd-udevd-control.socket.8: man/systemd-udevd.8
+man/systemd-udevd-kernel.socket.8: man/systemd-udevd.8
 
 udev-confdirs:
 	-mkdir -p $(DESTDIR)$(sysconfdir)/udev/rules.d

man/systemd-udevd.xml

@@ -18,16 +18,16 @@
   </refentryinfo>
 
   <refmeta>
-    <refentrytitle>systemd-udevd.service</refentrytitle>
+    <refentrytitle>systemd-udevd</refentrytitle>
     <manvolnum>8</manvolnum>
     <refmiscinfo class="version"></refmiscinfo>
   </refmeta>
 
   <refnamediv>
+    <refname>systemd-udevd</refname>
     <refname>systemd-udevd.service</refname>
     <refname>systemd-udevd-control.socket</refname>
     <refname>systemd-udevd-kernel.socket</refname>
-    <refname>systemd-udevd</refname>
     <refpurpose>Device event managing daemon</refpurpose>
   </refnamediv>