[Trivia] Add non-punctuated alias (#5889)

Co-authored-by: Kreusada <67752638+Kreusada@users.noreply.github.com>

redbot/cogs/trivia/data/lists/harrypotter.yaml

@@ -98,6 +98,7 @@ What are draco's parents' names?:
 - Narcissa and Lucious
 What book does Hermione insist Ron and Harry read?:
 - Hogwarts, A History
+- Hogwarts A History
 What breed was Hagrid's pet dragon?:
 - Norwegian Ridgeback
 What color are unicorn foals?:
@@ -194,7 +195,7 @@ What is Severus Snape's mother's first name?:
 What is Tonks's first name?:
 - Nymphadora
 What is considered Harry's 'trademark spell'?:
-- Expelliarmus.
+- Expelliarmus
 What is the Hogwarts School motto in English?:
 - Never Tickle a Sleeping Dragon
 What is the age requirement for an Apparation License?:
@@ -222,6 +223,7 @@ What is the name of Dumbledore's phoenix?:
 - fawkes
 What is the name of Filch's cat?:
 - Mrs. Norris
+- Mrs Norris
 What is the name of Harry Potter’s pet owl?:
 - Hedwig
 What is the name of Harry's aunt?:
@@ -609,4 +611,4 @@ How many hours into the past do Harry and Hermione travel in an attempt to rescu
 - Three
 How many muggles did Peter Pettigrew kill when he faked his own death?:
 - 12
-- Twelve
+- Twelve