TwentyFifteen:

- Fix image caption alignment in the editor.
- Remove unused var from functions.js.
Also includes few images that were shrunk a bit when running grunt precommit.
Fixes #30493.

git-svn-id: https://develop.svn.wordpress.org/trunk@30562 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-content/themes/twentyfifteen/css/editor-style.css

@@ -352,7 +352,7 @@ a {
 	margin: 0 0 28px 0;
 	max-width: 660px;
 	padding: 0;
-	text-align: center;
+	text-align: inherit;
 }
 
 .wp-caption.alignleft {

src/wp-content/themes/twentyfifteen/js/functions.js

@@ -8,7 +8,7 @@
 ( function( $ ) {
 	var $body, $window, $document, $sidebar, adminbarOffset, top = false,
 		bottom = false, windowWidth, windowHeight, lastWindowPos = 0,
-		topOffset = 0, documentHeight, sidebarWidth, sidebarHeight, resizeTimer;
+		topOffset = 0, documentHeight, sidebarHeight, resizeTimer;
 
 	// Add dropdown toggle that display child menu items.
 	$( '.main-navigation .page_item_has_children > a, .main-navigation .menu-item-has-children > a' ).after( '<button class="dropdown-toggle" aria-expanded="false">' + screenReaderText.expand + '</button>' );
@@ -127,4 +127,4 @@
 		}
 	} );
 
-} )( jQuery );
+} )( jQuery );