[CMake] Cleanup, removed generate_export_header() calls.

Are already called in `ogs_add_library()`.

ChemistryLib/CMakeLists.txt

@@ -7,9 +7,6 @@ append_source_files(SOURCES Common)
 # Create the library
 ogs_add_library(ChemistryLib ${SOURCES})
 
-include(GenerateExportHeader)
-generate_export_header(ChemistryLib)
-
 target_link_libraries(ChemistryLib PUBLIC iphreeqc PRIVATE NumLib spdlog::spdlog)
 
 # See https://github.com/ufz/ogs/pull/2982#issuecomment-641086788

MaterialLib/CMakeLists.txt

@@ -37,9 +37,6 @@ endif()
 
 ogs_add_library(MaterialLib ${SOURCES})
 
-include(GenerateExportHeader)
-generate_export_header(MaterialLib)
-target_include_directories(MaterialLib PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
 if(OGS_USE_MFRONT)
     target_compile_definitions(MaterialLib PUBLIC OGS_USE_MFRONT)
 endif()

ParameterLib/CMakeLists.txt

 get_source_files(SOURCES)
 ogs_add_library(ParameterLib ${SOURCES})
 
-include(GenerateExportHeader)
-generate_export_header(ParameterLib)
-target_include_directories(ParameterLib PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
-
 target_link_libraries(ParameterLib
     PUBLIC MathLib
     PRIVATE BaseLib exprtk MeshLib spdlog::spdlog