Remove redundant function #651

Job	Run time
min features with gcc	2m 16s
code formatting check	13s
cppcheck	8m 3s
min features with g++	2m 10s
min features with clang	2m 28s
max features with gcc	2m 24s
max features with g++	1m 53s
max features with clang	2m 22s
max features with gcc and DEBUG	1m 18s
max features with gcc for 32-bit arch (legacy OS)	1m 16s
max features with g++ for 32-bit arch (legacy OS)	1m 30s
max features with clang for 32-bit arch (legacy OS)	2m 3s
	27m 56s

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