Update namemsg to convention

Bug: T113632
Change-Id: I86323ac69d420927c852eb9197fba3d589e73f1b

i18n/en.json

@@ -2,7 +2,7 @@
 	"@metadata": {
 		"authors": []
 	},
-	"skinname-vector": "Vector",
+	"vector-skinname": "Vector",
 	"vector-skin-desc": "Modern version of MonoBook with fresh look and many usability improvements",
 	"vector.css": "/* CSS placed here will affect users of the Vector skin */",
 	"vector.js": "/* Any JavaScript here will be loaded for users using the Vector skin */",

i18n/qqq.json

@@ -10,7 +10,7 @@
 			"Liuxinyu970226"
 		]
 	},
-	"skinname-vector": "{{optional}}",
+	"vector-skinname": "{{optional}}",
 	"vector-skin-desc": "{{desc|what=skin|name=Vector|url=https://www.mediawiki.org/wiki/Skin:Vector}}",
 	"vector.css": "{{optional}}",
 	"vector.js": "{{optional}}",

skin.json

@@ -1,5 +1,6 @@
 {
 	"name": "Vector",
+	"namemsg": "vector-skinname",
 	"author": [
 		"Trevor Parscal",
 		"Roan Kattouw",
@@ -7,7 +8,6 @@
 	],
 	"url": "https://www.mediawiki.org/wiki/Skin:Vector",
 	"descriptionmsg": "vector-skin-desc",
-	"namemsg": "skinname-vector",
 	"license-name": "GPL-2.0+",
 	"type": "skin",
 	"requires": {