Clean up the bower_components and remove unnecessary dirs

- bye bye fonts
- bye bye global
- bye bye my friends
1 job for 4-bootstrap4-sass-only in 37 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Test
failed build_css #1746

00:00:37

 
Name Stage Failure
failed
build_css Test There is an unknown failure, please try again
bower@1.8.0 node_modules/bower
npm info ok
$ grunt swatch:masonstrap
Loading "Gruntfile.js" tasks...ERROR
>> TypeError: Cannot read property 'autoprefixerBrowsers' of undefined
Warning: Task "swatch:masonstrap" not found. Use --force to continue.

Aborted due to warnings.
ERROR: Build failed: exit code 1