NOISSUE - Implement Thing Delete (#179)

* add: delete function in things interface

Signed-off-by: Arvindh <arvindh91@gmail.com>

* add: remove things

Signed-off-by: Arvindh <arvindh91@gmail.com>

* fix: things event streams

Signed-off-by: Arvindh <arvindh91@gmail.com>

* add: things delete test

Signed-off-by: Arvindh <arvindh91@gmail.com>

* add: delete thing http transport

Signed-off-by: Arvindh <arvindh91@gmail.com>

* add: delete thing sdk, sdk_test, cli

Signed-off-by: Arvindh <arvindh91@gmail.com>

* gofumpt -ed

Signed-off-by: Arvindh <arvindh91@gmail.com>

* add: openapi

Signed-off-by: Arvindh <arvindh91@gmail.com>

* fix: things change status response

Signed-off-by: Arvindh <arvindh91@gmail.com>

* add: openapi

Signed-off-by: Arvindh <arvindh91@gmail.com>

* rename events: from thing delete to thing remove

Signed-off-by: Arvindh <arvindh91@gmail.com>

* fix wordings

Signed-off-by: Arvindh <arvindh91@gmail.com>

* fix wordings in openapi

Signed-off-by: Arvindh <arvindh91@gmail.com>

* add: type check

Signed-off-by: Arvindh <arvindh91@gmail.com>

* update open api yaml

Signed-off-by: Arvindh <arvindh91@gmail.com>

* fix things mocks

Signed-off-by: Arvindh <arvindh91@gmail.com>

---------

Signed-off-by: Arvindh <arvindh91@gmail.com>

cli/things.go

@@ -81,6 +81,24 @@ var cmdThings = []cobra.Command{
 			logJSON(t)
 		},
 	},
+	{
+		Use:   "delete <thing_id> <user_auth_token>",
+		Short: "Delete thing",
+		Long: "Delete thing by id\n" +
+			"Usage:\n" +
+			"\tmagistrala-cli things delete <thing_id> $USERTOKEN - delete thing with <thing_id>\n",
+		Run: func(cmd *cobra.Command, args []string) {
+			if len(args) != 2 {
+				logUsage(cmd.Use)
+				return
+			}
+			if err := sdk.DeleteThing(args[0], args[1]); err != nil {
+				logError(err)
+				return
+			}
+			logOK()
+		},
+	},
 	{
 		Use:   "identify <thing_key>",
 		Short: "Identify thing",