Test

remove linkage to libboost_system #524

Job	Run time
Check whether tests need to be run based on diff	24s
test-no-pi	15m 1s
test-ubuntu22	10m 25s
test (clang++-8, clang-8)	14m 6s
test (g++, gcc)	19m 11s
test (clang++-10, clang-10)	14m 39s
	1h 13m 46s

Provide feedback