replace hhblits db used in unit tests - the new one can be read by HHblits 3

modules/bindings/tests/testfiles/hhblitsdb/hhblitsdb.cs219

.../bindings/tests/testfiles/hhblitsdb/hhblitsdb.cs219.sizes

modules/bindings/tests/testfiles/hhblitsdb/hhblitsdb_a3m_db

...bindings/tests/testfiles/hhblitsdb/hhblitsdb_a3m_db.index

...gs/tests/testfiles/hhblitsdb/hhblitsdb_a3m_db.index.sizes

modules/bindings/tests/testfiles/hhblitsdb/hhblitsdb_hhm_db

...bindings/tests/testfiles/hhblitsdb/hhblitsdb_hhm_db.index

...gs/tests/testfiles/hhblitsdb/hhblitsdb_hhm_db.index.sizes

.../bindings/tests/testfiles/hhblitsdb/unittestdb_a3m.ffdata

...bindings/tests/testfiles/hhblitsdb/unittestdb_a3m.ffindex

...indings/tests/testfiles/hhblitsdb/unittestdb_cs219.ffdata

...ndings/tests/testfiles/hhblitsdb/unittestdb_cs219.ffindex

.../bindings/tests/testfiles/hhblitsdb/unittestdb_hhm.ffdata

...bindings/tests/testfiles/hhblitsdb/unittestdb_hhm.ffindex