Clipboard: Remove unnecessary UID separation

This process is already sandboxed to the point where the UID doesn't
matter, so let's just stop having the separate "clipboard" user.

Base/etc/SystemServer.ini

@@ -82,7 +82,7 @@ User=anon
 Socket=/tmp/portal/clipboard
 SocketPermissions=660
 Priority=low
-User=clipboard
+User=anon
 
 [ResourceGraph.Applet]
 Arguments=--cpu=CPUGraph,#00bb00 --memory=MemoryGraph,#00bbbb

Base/etc/group

@@ -6,5 +6,4 @@ audio:x:4:anon
 utmp:x:5:
 lookup:x:10:anon
 window:x:13:anon
-clipboard:x:14:anon
 users:x:100:anon

Base/etc/passwd

@@ -1,7 +1,6 @@
 root::0:0:root:/root:/bin/sh
 lookup:!:10:10:LookupServer,,,:/:/bin/false
 window:!:13:13:WindowServer,,,:/:/bin/false
-clipboard:!:14:14:Clipboard,,,:/:/bin/false
 sshd:!:19:19:OpenSSH privsep,,,:/:/bin/false
 anon:!:100:100:Anonymous,,,:/home/anon:/bin/sh
 nona:!:200:200:Nona,,,:/home/nona:/bin/sh

Base/etc/shadow

@@ -1,7 +1,6 @@
 root::18727::::::
 lookup:!*:18727::::::
 window:!*:18727::::::
-clipboard:!*:18727::::::
 sshd:!*:18727::::::
 anon:$5$zFiQBeTD88m/mhbU$ecHDSdRd5yNV45BzIRXwtRpxJtMpVI5twjRRXO8X03Q=:18727:0:99999::::
 nona:!*:18727::::::