Drop support for L64** drivers, STEVAL_3DP001V1#24427

thinkyhead merged 4 commits intoMarlinFirmware:bugfix-2.1.xMarlinFirmware/Marlin:bugfix-2.1.xfrom

Bob-the-Kuhn:L64xx_deleteBob-the-Kuhn/Marlin-Bob-2:L64xx_deleteCopy head branch name to clipboard