Removes legacy imports to the fan component

Merge pull request smartHomeHub#779 from smartHomeHub/rc

1.17.5

Bump version to 1.17.4

Merge branch 'master' of https://github.com/smartHomeHub/SmartIR

Switch to extra_state_attributes smartHomeHub#751

Fixes issue smartHomeHub#585

Increase version

Add version key to manifest file

Adds support for swing mode

Updates aiofiles requirement to 0.6.0