dict: disable wanna->want to automatic fix

data/dictionary.txt

diff --git a/data/dictionary.txt b/data/dictionary.txt
index 030c235..56daf8b 100644
--- a/data/dictionary.txt
+++ b/data/dictionary.txt
@@ -4097,7 +4097,7 @@
 vyer->very
 vyre->very
 waht->what
-wanna->want to
+wanna->want to, disabled because one might want to allow informal pronunciation
 warantee->warranty
 wardobe->wardrobe
 warrent->warrant