:bug: Fix always subscribe to OTA after latest PR
:bug: Fix always subscribe to OTA after latest PR

bugfix last PR (always subscribe to $ota even if ota disabled)
marvinroger/homie-esp8266,euphi/homie-esp8266,euphi/homie-esp8266,euphi/homie-esp8266,marvinroger/homie-esp8266,marvinroger/homie-esp8266,euphi/homie-esp8266,marvinroger/homie-esp8266