RRSet wire: Moved to packet/

Knot.files

src/Makefile.am

src/libknot/dnssec/rrset-sign.c

src/libknot/dnssec/sig0.c

src/libknot/packet/pkt.c

src/libknot/packet/pkt.h

src/libknot/packet/rrset-wire.c

src/libknot/packet/rrset-wire.h

src/libknot/rrset.c

src/libknot/rrset.h

src/libknot/tsig-op.c