fieldClassifier - remove byte field as hotfix #460

Job	Run time
check / include-orders	4s
check / editor-config	7s
check / clang-checks	3m 51s
check / doxygen	1m 20s
check / cppcheck / cppcheck-test	14s
build-os-matrix	0s
build	0s
tests	-1s
rpm-install	-1s
	5m 34s

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