kill memoryview.size in favor of len(view)

Reviewer: Antoine Pitrou #3827
diff --git a/Misc/NEWS b/Misc/NEWS
index 21d269b..c2734c8 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,8 @@
 Core and Builtins
 -----------------
 
+- Issue #3827: memoryview lost its size attribute in favor of using len(view).
+
 - Issue #3813: could not lanch python.exe via symbolic link on cygwin.
 
 - Issue #3705: fix crash when given a non-ascii value on the command line for