Removed now deprecated CK hashtable.

Knot.files

src/Makefile.am

src/libknot/hash/cuckoo-hash-table.c

src/libknot/hash/cuckoo-hash-table.h

src/libknot/hash/hash-functions.c

src/libknot/hash/hash-functions.h

src/libknot/hash/universal-system.c

src/libknot/hash/universal-system.h