Fixing CI and build clean up

- remove accidentally added .clickable directory
- Ensure that build-armhf.sh runs in project root
- Rename .build-armhf to build-armhf
1 job for unhide-build-dir in 15 minutes and 48 seconds (queued for 1 second)
Status Job ID Name Coverage
  Clickbuild
passed #219204462
docker
click:armhf

00:15:48