Revert fuzzy matching in ag #emacs

Fuzzy matching is not terribly fast and literal matching generates very
useful results. I'll at least try this for a bit until it is proved less
useful than fuzzy matching with prescient.

emacs/.config/doom/init.el

@@ -7,7 +7,7 @@
 
        :completion
        (company) ; the ultimate code completion backend
-       (ivy +prescient +fuzzy)      ; a search engine for love and life
+       ivy                 ; a search engine for love and life
        ;;helm              ; the *other* search engine for love and life
        ;;ido               ; the other *other* search engine...