removed unused bug

airspy_source/CMakeLists.txt

@@ -25,10 +25,6 @@ if (MSVC)
 else (MSVC)
     find_package(PkgConfig)
 
-    if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
-        target_link_directories(airspy_source PUBLIC "/usr/local/include")
-    endif()
-
     pkg_check_modules(LIBAIRSPY REQUIRED libairspy)
 
     target_include_directories(airspy_source PUBLIC ${LIBAIRSPY_INCLUDE_DIRS})