Remove two unnecessary localization files

All the translations in these two files were made by
blocked translatewiki users, so the correctness
is strongly suspect.

I noticed it when I was cleaning up things as
a follow-up to removing the welcome message in T265892.

Change-Id: I4849559303e5053164ddcdaeac1328003490d3bd

i18n/to.json

@@ -1,16 +0,0 @@
-{
-	"@metadata": {
-		"authors": [
-			"Weather Top Wizard"
-		]
-	},
-	"minerva-download": "Hiki mei e PDF",
-	"mobile-frontend-history": "Vakai ki he liliu ki he hisitōlia ʻo e peesi ko ʻení.",
-	"mobile-frontend-home-button": "ʻapi",
-	"mobile-frontend-language-article-heading": "Lea:",
-	"mobile-frontend-logged-in-homepage-notification": "{{GENDER:$1|Mālō}}, $1!",
-	"mobile-frontend-main-menu-login": "\nKau ki ai",
-	"mobile-frontend-main-menu-settings": "Fokotuʻutuʻú",
-	"mobile-frontend-placeholder": "Kumi {{SITENAME}}",
-	"mobile-frontend-random-button": "Noa pē"
-}

i18n/ydd.json

@@ -1,8 +0,0 @@
-{
-	"@metadata": {
-		"authors": [
-			"MinecraftAustralia"
-		]
-	},
-	"mobile-frontend-logged-in-homepage-notification": "{{GENDER:$1|Bagrisung}}, $1!"
-}