liblog: remove useless #define

Neither android_logger_free nor android_logger_close exist.

Test: build
Change-Id: Ieb4d740c234b54db9278a21f07b0533c28b76baf
1 file changed
tree: e75780b06ef02dcdfe804caf1f5b01e5713262da
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/