The database.hh is the central recursive-headers knot -- it has ~50 includes. This patch leaves only 34 (it remains the champion though). Similar thing for database.cc. Both changes help the latter compile ~4% faster :) Signed-off-by: Pavel Emelyanov <xemul@scylladb.com> Message-Id: <20210414183107.30374-1-xemul@scylladb.com>