Is there any way to remove icon “padding”?
For example, in Font Awesome every icons have own width. Thanks to this, when the icons are aligned to the left or right, they are neatly arranged.
When I use line-awesome (and icons8 in near future), the icon is not equal to the text.
Hi! At the moment we don’t have any option to remove the padding completely but we will think what we can do here! 
That’s a good idea, probably we will add it to our editor.
Indeed, you’ll have to remove the bounding box. It’s a single click and keystroke in any program including Sketch or Free Graphic Design Software, but nevertheless.
Off-topic: as a designer, I’d try adding a box around the icon:
