Revert "Rename RTCInternalManagement.ino to .cpp"

This reverts commit e6e0d42834548b723989959a8ad7953d8db84d71.
Revert "Rename to MCSleepMode.ino to MCSleepMode.cpp"

This reverts commit a22aa9a98f8807ec468ed14549ce5f49b199b367.
Reverted unwanted changes

concerning commit e6e0d42834548b723989959a8ad7953d8db84d71
and
a22aa9a98f8807ec468ed14549ce5f49b199b367
Renamed ino files to cpp