Don't build dmg

CMakeLists.txt

@@ -603,12 +603,6 @@ if(LINUX)
     set(CPACK_DEBIAN_PACKAGE_DEPENDS "libc6")
 
     set(CPACK_RPM_PACKAGE_LICENSE "MIT")
-elseif(APPLE)
-    set(CPACK_GENERATOR "${CPACK_GENERATOR};DragNDrop")
-
-    set(CPACK_DMG_DISABLE_APPLICATIONS_SYMLINK TRUE)
-elseif(BSD)
-    set(CPACK_GENERATOR "${CPACK_GENERATOR};FreeBSD")
 endif()
 
 set(CPACK_SET_DESTDIR ON)