man: Drop all AUTHORS section

They aren't really maintainable.

man/virt-clone.pod

@@ -197,11 +197,6 @@ new guest can do a filesystem resize when it boots.
        --file /dev/HostVG/DemoVM \
        --mac 52:54:00:34:11:54
 
-=head1 AUTHOR
-
-Written by Kazuki Mizushima, Cole Robinson, and a team of many other
-contributors.
-
 =head1 BUGS
 
 Please see http://virt-manager.org/page/BugReporting

man/virt-convert.pod

@@ -142,10 +142,6 @@ Convert a 64-bit hvm guest:
 
   # virt-convert --arch=x86_64 vmx-appliance/ hvm-appliance/
 
-=head1 AUTHOR
-
-Written by Joey Boggs, John Levon, and Cole Robinson.
-
 =head1 BUGS
 
 Please see http://virt-manager.org/page/BugReporting

man/virt-image-xml.pod

@@ -222,10 +222,6 @@ To create a virtual machine, save the above XML in F<image.xml> and run:
 
     # virt-image --vnc image.xml
 
-=head1 AUTHOR
-
-Written by David Lutterkort.
-
 =head1 BUGS
 
 Please see C<http://virt-manager.org/page/BugReporting>

man/virt-image.pod

@@ -226,10 +226,6 @@ do not create or start a virtual machine:
 
   # virt-image --print --name example --nographics image.xml
 
-=head1 AUTHOR
-
-Written by David Lutterkort and Cole Robinson.
-
 =head1 BUGS
 
 Please see http://virt-manager.org/page/BugReporting

man/virt-install.pod

@@ -1376,11 +1376,6 @@ specifying a serial device hooked to a PTY on the host machine.
        --boot kernel=/tmp/mykernel,initrd=/tmp/myinitrd,kernel_args="console=ttyS0" \
        --serial pty
 
-=head1 AUTHORS
-
-Written by Daniel P. Berrange, Hugh Brock, Jeremy Katz, Cole Robinson and a
-team of many other contributors.
-
 =head1 BUGS
 
 Please see http://virt-manager.org/page/BugReporting

man/virt-manager.pod

@@ -83,10 +83,6 @@ on the host.
 
 Standard GTK options like --g-fatal-warnings are also accepted.
 
-=head1 AUTHOR
-
-Written by Daniel P. Berrange and Cole Robinson.
-
 =head1 BUGS
 
 Please see L<http://virt-manager.org/page/BugReporting>