Tweaks the drill hat to be a bit less annoying (#42655)

* does the tweaking

* indent fix

* adds more canadian variety

* no longer mr politeman

* adds cobby's review suggestion

* gets rid of mutation defines

* makes it use speechmod

* removes accidental letters

* gets rid of unneeded comma in .json

* changes magic number into defines

i hope it's supposed to be like this

* compile fix

* gets rid of yelling define in dna.dm

* removes unneeded line in .json

code/datums/mutations/speech.dm

@@ -219,16 +219,3 @@
 	..()
 	owner.grant_language(/datum/language/common)
 	owner.remove_language(/datum/language/beachbum)
-
-/datum/mutation/human/yelling
-	name = "Yelling"
-	desc = "A mutation that forces the host to constantly yell their sentences out."
-	quality = MINOR_NEGATIVE
-	locked = TRUE
-	text_gain_indication = "<span class='danger'>You feel really angry.</span>"
-	text_lose_indication = "<span class='notice'>You feel calmer.</span>"
-
-/datum/mutation/human/yelling/say_mod(message)
-	if(message)
-		message = "[uppertext(replacetext(message, ".", "!"))]!"
-	return (message)