DBIx::SearchBuilder includes a Class::ReturnValue dep; we don't use it
Remove two deps we do not use directly, but HTML::Mason merely requires
Remove the (socket => "inet"), suggestion, based on Sys::Syslog docs

Modern Sys::Syslog stresses that setting setlogsock (which is what
passing "socket" does) is strongly discouraged -- see the first two of
the "THE RULES OF SYS::SYSLOG".  The two reports for Solaris and
UnixWare (tickets #4717 and #5755) were for Sys::Syslog 0.04 or below,
and should no longer be necessary with 0.16 or above.
Remove the undocumented --download flag

This flag, originally introduced in 42bf603, was meant to download
"pristine" versions of the modules RT dependended on and import them
wholesale into a Subversion repository.  This functionality was
undocumented and unmaintained and more modern ways exist of doing the
same.
Merge branch '4.2/clean-up-deps'