Cleanup display of branches panel when gitweb isn't configured

The 4th column to show the gitweb link is pointless if there is
no gitweb configuration available for this server.  Skip it in
the table.

Change-Id: I59e8fd9233edbd73b61684f558a07c00bbc1b18b
Signed-off-by: Shawn O. Pearce <sop@google.com>
1 file changed