made change to fix else/return None problem

I removed the
else:
    return None
and replaced with
return None

as discussed on Discord. I checked the code with test_friend_functions.py
and it all still works.

friend_functions.py

@@ -30,8 +30,7 @@ def get_email(people, name):
     for person in people:
         if person["name"] == name:
             return person["email"]
-    else:
-        return None
+    return None
 
 def count_favorite_colors(people, name):
     """Returns the number of colors liked by the named person. If there is no such person, returns None.
@@ -45,8 +44,7 @@ def count_favorite_colors(people, name):
         if person["name"]== name:
             colors = person["favorite_colors"]
             return len(colors)
-    else:
-        return None
+    return None