clean up creality v521, #24760 followup#24815

thinkyhead merged 2 commits intoMarlinFirmware:bugfix-2.1.xMarlinFirmware/Marlin:bugfix-2.1.xfrom

ellensp:cleanup-creality-v5.2.1ellensp/Marlin:cleanup-creality-v5.2.1Copy head branch name to clipboard