nvme/052: do not create namespace when setting up the target

Simplify the testcase by not creating a namespace when setting up
the target and have to loop iterating over all namespaces.

[Shin'ichiro: use for loop instead of seq per style guideline]

Signed-off-by: Hannes Reinecke <hare@suse.de>
[Shin'ichiro: resolved conflicts]
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>

tests/nvme/052

@@ -51,17 +51,14 @@ test() {
 
 	_setup_nvmet
 
-	local iterations=20
+	local i iterations=20
 	local uuid nsid filepath
 
-	_nvmet_target_setup
+	_nvmet_target_setup --blkdev none
 
 	_nvme_connect_subsys
 
-	# start iteration from def_nsid+1 because def_nsid is created
-	# by default when nvme target is setup. Also def_nsid is
-	# deleted when nvme target is cleaned up.
-	for ((i = 2; i <= iterations; i++)); do {
+	for ((i = 1; i <= iterations; i++)); do
 		nsid=$((def_nsid + i - 1))
 		filepath="$(_nvme_def_file_path).${nsid}"
 		truncate -s "${NVME_IMG_SIZE}" "$filepath"
@@ -84,7 +81,6 @@ test() {
 		fi
 
 		rm "$filepath"
-	}
 	done
 
 	_nvme_disconnect_subsys >> "${FULL}" 2>&1