Fix no records import logging exception
Revert "Fix no records import logging exception"

This reverts commit 08fbc1d697df653582313cd7995082928012437a.
Do not try to import empty records array
Merge branch 'master' of https://github.com/sharshenov/searchkick into sharshenov-master

Conflicts:
	lib/searchkick/logging.rb
Merge branch 'sharshenov-master'