Apply suggestion from @ferdymercury

Author: ferdymercury

builtins/unuran/CMakeLists.txt

@@ -66,7 +66,6 @@ set(ROOT_UNURAN_INCLUDE_DIR ${ROOT_UNURAN_PREFIX}/include)
 file(MAKE_DIRECTORY ${ROOT_UNURAN_INCLUDE_DIR})
 add_library(Unuran::unuran IMPORTED STATIC GLOBAL)
 add_dependencies(Unuran::unuran BUILTIN_UNURAN)
-target_compile_definitions(Unuran::unuran INTERFACE HAVE_CONFIG_H)
 set_target_properties(Unuran::unuran PROPERTIES
     IMPORTED_LOCATION ${ROOT_UNURAN_LIBRARY}
     INTERFACE_INCLUDE_DIRECTORIES ${ROOT_UNURAN_INCLUDE_DIR})