Merge "Remove some unreachable/no longer needed code"

resources/mmv/mmv.mixins.less

@@ -6,12 +6,3 @@
 .fade-out-horizontal( @backgroundColor: white ) {
 	background-image: linear-gradient( to right, @background-color-transparent 0%, @backgroundColor 100% ); // W3C
 }
-
-.rotate( @degrees: 45deg ) {
-	transform: rotate( @degrees );
-}
-
-.grayscale() {
-	-webkit-filter: grayscale( 100% );
-	filter: grayscale( 100% );
-}

resources/mmv/ui/mmv.ui.canvas.less

@@ -50,8 +50,6 @@
 	display: block;
 	margin-right: auto;
 	margin-left: auto;
-	cursor: pointer;
-	/* stylelint-disable-next-line plugin/no-unsupported-browser-features */
 	cursor: zoom-in;
 
 	&.blurred {

resources/mmv/ui/mmv.ui.dialog.less

@@ -22,7 +22,7 @@
 		background-color: @background-color;
 		width: @arrow-size;
 		height: @arrow-size;
-		.rotate( -45deg );
+		transform: rotate( -45deg );
 		position: fixed;
 	}
 

resources/mmv/ui/mmv.ui.download.js

@@ -1,20 +0,0 @@
-/*
- * This file is part of the MediaWiki extension MultimediaViewer.
- *
- * MultimediaViewer is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * MultimediaViewer is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with MultimediaViewer.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-( function () {
-	module.exports = {};
-}() );