Remove target_include_directories with FILE_SET

[Fuad-HH]

readOH2csg/CMakeLists.txt

Lines 43 to 45 in 445c167

	target_include_directories(
	omegah2csg PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>
	$<INSTALL_INTERFACE:include>)

Update with a better solution.