aspeed-g7: remove function tracing kconfig This config should only be a part of the dev kconfig fragment that gets added for non-prod builds - prod images will encounter kernel build failures with this enabled. fusion2 in presubmits Tested: GBMC_CONFIG=prod builds aspeed-g7 now Google-Bug-Id: 556271887 Change-Id: Ie504389835c0a8ee74efa3803a40715540b9010f Signed-off-by: Sam Agazaryan <samagazaryan@google.com>