Remove CSS involving unused '.theme-listing' selector. see #20403.

git-svn-id: http://svn.automattic.com/wordpress/trunk@20411 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/colors-classic.dev.css

@@ -2030,10 +2030,6 @@ body.press-this ul.category-tabs li.tabs a {
 	border-top-color: #DFDFDF;
 }
 
-.theme-listing br.line {
-	border-bottom-color: #ccc;
-}
-
 div.widgets-sortables,
 #widgets-left .inactive {
 	background-color: #f7fcfe;

wp-admin/css/colors-fresh.dev.css

@@ -1665,10 +1665,6 @@ body.press-this ul.category-tabs li.tabs a {
 	border-top-color: #DFDFDF;
 }
 
-.theme-listing br.line {
-	border-bottom-color: #ccc;
-}
-
 div.widgets-sortables,
 #widgets-left .inactive,
 #available-widgets .widget-holder {

wp-admin/css/wp-admin-rtl.dev.css

@@ -2217,10 +2217,6 @@ div.star a:visited {
 	left: 0;
 }
 
-.theme-listing .theme-item h3 {
-	font-style: normal;
-}
-
 #theme-information .theme-preview-img {
 	float: right;
 	margin: 5px 15px 10px 25px;
@@ -2376,4 +2372,4 @@ body.login.locale-he-il,
 .locale-he-il em {
 	font-style: normal;
 	font-weight: bold;
-} 
+}

wp-admin/css/wp-admin.dev.css

@@ -7440,48 +7440,6 @@ h3 span {
 	line-height: 180%;
 }
 
-/* theme-install */
-.theme-listing .theme-item {
-	display: inline-block;
-	width: 200px;
-	border: thin solid #ccc;
-	vertical-align: top;
-}
-
-.theme-listing .theme-item h3 {
-	text-align: center;
-	font-size: 14px;
-	font-style: italic;
-	margin: 0;
-	padding: 0;
-}
-
-.theme-listing .theme-item img {
-	max-width: 150px;
-	max-height: 150px;
-}
-
-.theme-listing .theme-item-info span,
-.theme-listing .theme-item:hover .theme-item-info span.dots {
-	display: none;
-}
-
-.theme-listing .theme-item:hover .theme-item-info span {
-	display: inline;
-}
-
-.theme-listing .theme-item-info span.action-links {
-	font-weight: bold;
-	text-align: center;
-}
-
-.theme-listing br.line {
-	border-bottom-width: 1px;
-	border-bottom-style: solid;
-	margin-bottom: 3px;
-}
-
-
 #theme-information .available-theme,
 .available-theme {
 	padding: 20px 15px;