[Request] Remove font-awesome

[barryvdh]

Based on https://github.com/maximebf/php-debugbar/pull/272 Can we just use https://tabler.io/icons icons as svg inline? Either add the default ones to css, or allow the collectors to define svg (base64 encoded or something?)

[parallels999]

Seems like a big change, possibly a breaking change, a lot of icons, and dependencies use custom Indicators with fa icons, they would lose the icons

[barryvdh]

Yeah might warrant a 2.x version.

[miken32]

As additional motivation for removing this, I'm seeing this notice popping up repeatedly on my console lately. Fixed in FA 6.5, but a very old version is bundled in to this code.