nvmf_tgt_shutdown_subsystem_by_nqn() used to be part of the
delete_nvmf_subsystem RPC method, but that now uses the public
spdk_nvmf_subsystem_stop() API instead.
nvmf_tgt_shutdown_subsystem_by_nqn() isn't used anywhere else, so just
remove it.
Change-Id: Ic4908d5c911915da6794c3e096e027e4c9b06a52
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/399511
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
9f04ca414c