Python Console is broken for Remote interpreter with IPython 5 (PY-20732)

Don't override this method here, call the original method of `sys.stdin`

python/helpers/pydev/_pydev_bundle/pydev_console_utils.py

@@ -70,9 +70,6 @@ class BaseStdIn:
         # which is not something we want.
         return '\n'
 
-    def isatty(self):
-        return False  # not really a file
-
     def write(self, *args, **kwargs):
         pass  # not available StdIn (but it can be expected to be in the stream interface)