Fix translation of "Favorite" in Japanese

[touyou]

I've fixed wrong translation of "Favorite" in Japanese.

ASIS	TOBE
favouri	お気に入り

Skip Pull Request Checklist:

• REQUIRED: I have signed the Contributor Agreement
• REQUIRED: I have tested my change locally with swift test
• OPTIONAL: I have tested my change on an iOS simulator or device
• OPTIONAL: I have tested my change on an Android emulator or device

[cla-bot]

Thank you for your pull request and welcome to the Skip community. We require contributors to sign our contributor license agreement (CLA), and we don't seem to have the user(s) @touyou on file. In order for us to review and merge your code, for each noted user please add your GitHub username to Skip's .clabot file