Use 'normalize' module from core's 'mediawiki.skinning'

Also removing covered styles from 'screen-common.less'.

Bug: T256520
Change-Id: I054c77bb5410e0c08bbdcf3b51f2d6fcc8a103f0

resources/screen-common.less

@@ -59,8 +59,6 @@ body {
 		@background url( images/headbg-gradient.svg ) 0 0 repeat-x;
 	// stylelint-enable value-list-comma-newline-after
 	color: @text-color;
-	margin: 0;
-	padding: 0;
 	direction: ltr; /* Needed for RTL flipping */
 	unicode-bidi: embed;
 }

skin.json

@@ -34,7 +34,14 @@
 	"ResourceModules": {
 		"skins.monobook.styles": {
 			"class": "ResourceLoaderSkinModule",
-			"features": [ "elements", "content", "interface", "logo", "legacy" ],
+			"features": [
+				"normalize",
+				"elements",
+				"content",
+				"interface",
+				"logo",
+				"legacy"
+			],
 			"styles": {
 				"resources/screen-common.less": {
 					"media": "screen"
@@ -47,6 +54,7 @@
 		"skins.monobook.responsive": {
 			"class": "ResourceLoaderSkinModule",
 			"features": [
+				"normalize",
 				"elements",
 				"content",
 				"interface",
@@ -71,7 +79,14 @@
 		},
 		"skins.monobook.mobile": {
 			"class": "ResourceLoaderSkinModule",
-			"features": [ "elements", "content", "interface", "logo", "legacy" ],
+			"features": [
+				"normalize",
+				"elements",
+				"content",
+				"interface",
+				"logo",
+				"legacy"
+			],
 			"targets": [ "desktop", "mobile" ],
 			"scripts": [
 				"resources/mobile.js"