util: Remove old reference to ROMCC

Change-Id: Ia1a37db8341281102ae8ae9c03f1ce76d8d126eb
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39075
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

util/lint/lint-000-license-headers

@@ -24,8 +24,6 @@ HEADER_EXCLUDED="\
 ^util/amdtools/example_input/|\
 ^util/cbfstool/lzma/|\
 ^util/kconfig/|\
-^util/romcc/tests|\
-^util/romcc/results|\
 Kconfig|\
 \<COPYING\>|\
 \<LICENSE\>|\