[OMCPathReal] remove dummy function stat() (OpenModelica#415)

Co-authored-by: Adeel Asghar <adeel.asghar@liu.se>

Author: syntron

OMPython/OMCSession.py

@@ -407,13 +407,6 @@ def size(self) -> int:
 
         raise OMCSessionException(f"Error reading file size for path {self.as_posix()}!")
 
-    def stat(self):
-        """
-        The function stat() cannot be implemented using OMC.
-        """
-        raise NotImplementedError("The function stat() cannot be implemented using OMC; "
-                                  "use size() to get the file size.")
-
 
 if sys.version_info < (3, 12):