PY-11552 Keep maximum 1 empty line between declarations and in code by default

Fix affected test data where reformat is invoked during refactoring.
Also use entire sample provided by user in the corresponding test case
for the issue.

python/testData/refactoring/pullup/properties/Class.after.py

@@ -7,7 +7,6 @@ class AnyClass(SuperClass):
     def __init__(self):
         super(AnyClass, self).__init__()
 
-
     def foo(self):
         pass