Update api.md

Author: karlsoderby

docs/api.md

@@ -100,71 +100,6 @@ None
 
 - `String` - Device ID.
 
-### `setThingIdOutdatedFlag()`
-
-Sets a flag indicating that the Thing ID is outdated.
-
-#### Syntax
-
-```
-ArduinoCloud.setThingIdOutdatedFlag()
-```
-
-#### Parameters
-None.
-
-#### Returns
-Nothing.
-
-### `clrThingIdOutdatedFlag()`
-
-Clears the flag indicating that the Thing ID is outdated.
-
-#### Syntax
-
-```
-ArduinoCloud.clrThingIdOutdatedFlag()
-```
-
-#### Parameters
-None.
-
-#### Returns
-Nothing.
-
-### `getThingIdOutdatedFlag()`
-
-Gets the flag indicating whether the Thing ID is outdated.
-
-#### Syntax
-
-```
-ArduinoCloud.getThingOutdatedFlag()
-```
-
-#### Parameters
-None.
-
-#### Returns
-- Boolean (true/false)
-
-### `deviceNotAttached()`
-
-Checks if the device is not attached.
-
-#### Syntax
-
-```
-ArduinoCloud.deviceNotAttached()
-```
-
-#### Parameters
-None.
-
-#### Returns
-
-- Boolean (true/false)
-
 ### `getConnection()`
 
 Gets the connection handler used.