Bug 573013 - Cleanup jsp files

Remove tree.css as it's not used.

Change-Id: I652f6c830ea9428b90aa55ba243c5c2ee42f86d0
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.ua/+/179559
Tested-by: Platform Bot <platform-bot@eclipse.org>
diff --git a/org.eclipse.help.webapp/advanced/tree.css b/org.eclipse.help.webapp/advanced/tree.css
deleted file mode 100644
index e890b1b..0000000
--- a/org.eclipse.help.webapp/advanced/tree.css
+++ /dev/null
@@ -1,100 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2004 IBM Corporation and others.
- *
- * This program and the accompanying materials 
- * are made available under the terms of the Eclipse Public License 2.0
- * which accompanies this distribution, and is available at
- * https://www.eclipse.org/legal/epl-2.0/
- *
- * SPDX-License-Identifier: EPL-2.0
- * 
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-
-BODY {
-	font: <%=prefs.getViewFont()%>;
-	font-size: .875rem;
-	margin-top:5px;
-	margin-<%=isRTL?"right":"left"%>:5px;
-	padding:0;
-	border:0;
-}
-
-UL { 
-	border-width:0; 
-	margin-<%=isRTL?"right":"left"%>:20px; 
-}
-
-#root {
-	margin-top:0px;
-	margin-<%=isRTL?"right":"left"%>:0px;
-}
-  
-UL.expanded {
-	display:block; 
-}
-
-UL.collapsed { 
-	display: none;
-}
-
-LI { 
-	margin-top:3px; 
-	list-style-image:none;
-	list-style-type:none;
-		white-space: nowrap;
-}
-
-IMG {
-	border:0px;
-	margin:0px;
-	padding:0px;
-	margin-<%=isRTL?"left":"right"%>:4px;
-}
-
-
-A {
-	text-decoration:none; 
-	color:WindowText;
-	padding-<%=isRTL?"left":"right"%>:2px;
-	/* this works in ie5.5, but not in ie5.0  */
-	white-space: nowrap;
-}
-
-A:hover{
-	text-decoration:underline; 
-}
-
-A.active{ 
-	background:Highlight;
-	color:HighlightText;
-	width:100%;
-}
-
-A.active:hover{
-	text-decoration:underline; 
-	background:Highlight;
-	color:HighlightText;
-	width:100%;
-}
-
-<% 
-if (data.isMozilla()){
-%>
-UL { 
-	margin-<%=isRTL?"right":"left"%>:-20px;
-} 
-#root{ 
-	margin-<%=isRTL?"right":"left"%>:-35px; 
-	margin-top:5px;
-} 
- 
-<%
-}
-%>
-
-.h {
-	visibility:hidden;
-}
- 
\ No newline at end of file