FLASH_MAX_ERROR_STR is not used since commit 815c3b3533
(merged in ~2008)
Change-Id: Ic117a2e3d22235c31dc14533b6564ebf5a13ae58
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: https://review.openocd.org/c/openocd/+/7121
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>