* Improve Emoji import

Skip macOS '._' shadow files in tar archive to speed up import

* Fix codeclimate format issue with whitespace

* Update lib/mastodon/emoji_cli.rb

suggestions from Gargron to improve comment

Co-authored-by: Eugen Rochko <eugen@zeonfederated.com>

* Update emoji_cli.rb

Remove extraneous comment (macOS-specific comment now with correct line)

Co-authored-by: Eugen Rochko <eugen@zeonfederated.com>