Option to allow to remove flow test from build plate

[vincentw56]

Bambu Lab X1 Specific G-Code

Right now there’s no documentation from Bambu around what standard and non-standard G-code commands can be used on the X1 series of printers. As for the standard commands, this Marlin cross reference is great but please note that Bambu doesn’t implement all of it, and some things that are implemented behave a bit different than stated there. This will be a constantly evolving thread to document these until Bambu publishes some official documentation. Some things are certain, some things may be…