Revised log messages and removed unnecessary functions

src/sender/DataDispatcher.py

src/sender/DataManager.py

src/sender/SignalHandler.py

src/sender/TaskProvider.py

src/sender/dataFetchers/getFromFile.py

src/sender/dataFetchers/getFromHttp.py

src/sender/dataFetchers/send_helpers.py

src/sender/eventDetectors/HttpDetector.py

src/sender/eventDetectors/InotifyxDetector.py

src/sender/eventDetectors/WatchdogDetector.py

src/sender/eventDetectors/ZmqDetector.py

src/shared/helpers.py