[nobug] Remove unused imports

diff --git a/core/bundles/org.eclipse.wst.sse.core/DevTimeSupport/HeadParsers/XMLHeadTokenizer/XMLHeadTokenizer.jFlex b/core/bundles/org.eclipse.wst.sse.core/DevTimeSupport/HeadParsers/XMLHeadTokenizer/XMLHeadTokenizer.jFlex
index 8270695..c52f4f3 100644
--- a/core/bundles/org.eclipse.wst.sse.core/DevTimeSupport/HeadParsers/XMLHeadTokenizer/XMLHeadTokenizer.jFlex
+++ b/core/bundles/org.eclipse.wst.sse.core/DevTimeSupport/HeadParsers/XMLHeadTokenizer/XMLHeadTokenizer.jFlex

@@ -20,7 +20,7 @@
 import org.eclipse.wst.common.encoding.contentspecific.IntStack;
 import org.eclipse.wst.common.encoding.contentspecific.xml.XMLHeadTokenizerConstants;
 
-
+// This copy is outdated, see the version in org.eclipse.wst.xml.core instead
 
 
 %%

diff --git a/xml/bundles/org.eclipse.wst.xml.core/DevTimeSupport/HeadParsers/XMLHeadTokenizer.jFlex b/xml/bundles/org.eclipse.wst.xml.core/DevTimeSupport/HeadParsers/XMLHeadTokenizer.jFlex
index 0836433..52795a8 100644
--- a/xml/bundles/org.eclipse.wst.xml.core/DevTimeSupport/HeadParsers/XMLHeadTokenizer.jFlex
+++ b/xml/bundles/org.eclipse.wst.xml.core/DevTimeSupport/HeadParsers/XMLHeadTokenizer.jFlex

@@ -1,5 +1,5 @@
 /*******************************************************************************

- * Copyright (c) 2005, 2008 IBM Corporation and others.

+ * Copyright (c) 2005, 2020 IBM Corporation and others.

  * All rights reserved. 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

@@ -15,10 +15,6 @@
 import java.io.IOException;

 import java.io.Reader;

 

-import org.eclipse.wst.xml.core.internal.contenttype.EncodingParserConstants;

-import org.eclipse.wst.xml.core.internal.contenttype.XMLHeadTokenizerConstants;

-

-

 %%

 

 %{


diff --git a/xml/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/contenttype/XMLHeadTokenizer.java b/xml/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/contenttype/XMLHeadTokenizer.java
index f4c02d1..b018b2b 100644
--- a/xml/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/contenttype/XMLHeadTokenizer.java
+++ b/xml/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/contenttype/XMLHeadTokenizer.java

@@ -1,7 +1,7 @@
 /* The following code was generated by JFlex 1.4.2 on 7/28/08 9:29 AM */
 
 /*******************************************************************************
- * Copyright (c) 2005, 2008 IBM Corporation and others.
+ * Copyright (c) 2005, 2020 IBM Corporation and others.
  * All rights reserved. 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
@@ -17,9 +17,6 @@
 import java.io.IOException;
 import java.io.Reader;
 
-import org.eclipse.wst.xml.core.internal.contenttype.EncodingParserConstants;
-import org.eclipse.wst.xml.core.internal.contenttype.XMLHeadTokenizerConstants;
-
 
 
 /**