Revert "Bug 453379 - Make sure to precompile jsps with the same Jetty version"

This reverts commit 494d9af8b5681a77ab4144636826bb1fa986aeda.

Change-Id: I56210c8802410cb359399593ee76575d6b159dd4
diff --git a/org.eclipse.help.webapp/pom.xml b/org.eclipse.help.webapp/pom.xml
index 00ea7cc..eeed071 100644
--- a/org.eclipse.help.webapp/pom.xml
+++ b/org.eclipse.help.webapp/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  Copyright (c) 2012, 2017 Eclipse Foundation.
+  Copyright (c) 2012, 2015 Eclipse Foundation.
   All rights reserved. This program and the accompanying materials
   are made available under the terms of the Eclipse Distribution License v1.0
   which accompanies this distribution, and is available at
@@ -23,8 +23,9 @@
   <build>
     <plugins>
       <plugin>
-        <groupId>org.eclipse.jetty</groupId>
+        <groupId>org.mortbay.jetty</groupId>
         <artifactId>jetty-jspc-maven-plugin</artifactId>
+        <version>8.1.8.v20121106</version>
         <executions>
           <execution>
             <id>jspc</id>