Remove trailing >>> in enum docs (GH-21358)

The >>> as the last line serve no purpose and are not colored correctly by Sphinx.
diff --git a/Doc/library/enum.rst b/Doc/library/enum.rst
index 4b4f5eb..b327a0a 100644
--- a/Doc/library/enum.rst
+++ b/Doc/library/enum.rst
@@ -113,7 +113,6 @@
     <enum 'Color'>
     >>> isinstance(Color.GREEN, Color)
     True
-    >>>
 
 Enum members also have a property that contains just their item name::
 
diff --git a/Misc/ACKS b/Misc/ACKS
index 641ef0c..b585769 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1266,6 +1266,7 @@
 Russel Owen
 Joonas Paalasmaa
 Martin Packman
+Elisha Paine
 Shriphani Palakodety
 Julien Palard
 Aviv Palivoda