MG-888 - Update things SDK tests (#2328)

Signed-off-by: 1998-felix <felix.gateru@gmail.com>

cli/things.go

@@ -99,27 +99,6 @@ var cmdThings = []cobra.Command{
 			logOK()
 		},
 	},
-	{
-		Use:   "identify <thing_key>",
-		Short: "Identify thing",
-		Long: "Validates thing's key and returns its ID\n" +
-			"Usage:\n" +
-			"\tmagistrala-cli things identify <thing_key>\n",
-		Run: func(cmd *cobra.Command, args []string) {
-			if len(args) != 1 {
-				logUsage(cmd.Use)
-				return
-			}
-
-			i, err := sdk.IdentifyThing(args[0])
-			if err != nil {
-				logError(err)
-				return
-			}
-
-			logJSON(i)
-		},
-	},
 	{
 		Use:   "update [<thing_id> <JSON_string> | tags <thing_id> <tags> | secret <thing_id> <secret> ] <user_auth_token>",
 		Short: "Update thing",