[WIP] Clean up and port MEGA P laser feature from TFT#540

stklcode wants to merge 2 commits intoknutwurst:masterknutwurst/Marlin-2-0-x-Anycubic-i3-MEGA-S:masterfrom

stklcode:feature/anycubic-laserstklcode/Marlin-2-0-x-Anycubic-i3-MEGA-S:feature/anycubic-laserCopy head branch name to clipboard