remove the MARK_INFO_ATTRIBUTE warning until we can fix internal usage

fixes #2573

Author: RonnyPfannschmidt

_pytest/mark.py

@@ -401,9 +401,9 @@ def __init__(self, mark):
         self.combined = mark
         self._marks = [mark]
 
-    name = alias('combined.name', warning=MARK_INFO_ATTRIBUTE)
-    args = alias('combined.args', warning=MARK_INFO_ATTRIBUTE)
-    kwargs = alias('combined.kwargs', warning=MARK_INFO_ATTRIBUTE)
+    name = alias('combined.name')
+    args = alias('combined.args')
+    kwargs = alias('combined.kwargs')
 
     def __repr__(self):
         return "<MarkInfo {0!r}>".format(self.combined)

changelog/2773.trivial

@@ -0,0 +1 @@
+remove warnings for MarkInfo attributes as they don't create value unless we have an alternative.