Replace gzip to cat since download file is already normal file

[coolgw]

Replace gzip to cat since download file is already normal file

Test Result:

download file url link in bin/seed: root# wget https://f002.backblazeb2.com/file/kitsu-dumps/latest.sql.gz root# file latest.sql.gz latest.sql.gz: ASCII text #can start import data base use following command root# cat latest.sql.gz ./bin/psql

cc @hummingbird-me/owners