Remove obsolete stopship comment

Key lengths already validated against MAX_KEY_LENGTH in
createTransportModeSecurityAssociation(); removing obsolete
stopship comment.

Bug: 64948926
Test: Simple comment fix, ran CTS + Netd + frameworks-net tests anyways.
Change-Id: I45a292eeed6c20792e4019c651e707a2e7c76ec1
1 file changed