Remove unnecessary std::move am: 965a4550fe

Original change: https://android-review.googlesource.com/c/platform/system/libfmq/+/3217677

Change-Id: Ib77178350693d2dbebc3e0f5fff7be741ac06ca6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>