Deduplicate license headers

Author: eregon

src/main/java/org/truffleruby/core/cast/ArrayCastNode.java

@@ -25,12 +25,8 @@
 import com.oracle.truffle.api.frame.VirtualFrame;
 import com.oracle.truffle.api.profiles.BranchProfile;
 
-
-/*
- * TODO(CS): could probably unify this with SplatCastNode with some final configuration getContext().getOptions().
- */
-
-/** See also org.truffleruby.core.array.ArrayConvertNode */
+// TODO(CS): could probably unify this with SplatCastNode with some final configuration getContext().getOptions().
+/** See also {@link org.truffleruby.core.array.ArrayConvertNode} */
 @NodeChild(value = "child", type = RubyNode.class)
 public abstract class ArrayCastNode extends RubyContextSourceNode {
 

src/main/java/org/truffleruby/core/regexp/RegexpNodes.java

@@ -1,14 +1,5 @@
 /*
- * Copyright (c) 2016, 2020 Oracle and/or its affiliates. All rights reserved. This
- * code is released under a tri EPL/GPL/LGPL license. You can use it,
- * redistribute it and/or modify it under the terms of the:
- *
- * Eclipse Public License version 2.0, or
- * GNU General Public License version 2, or
- * GNU Lesser General Public License version 2.1.
- */
-/*
- * Copyright (c) 2013, 2015, 2016 Oracle and/or its affiliates. All rights reserved. This
+ * Copyright (c) 2013, 2020 Oracle and/or its affiliates. All rights reserved. This
  * code is released under a tri EPL/GPL/LGPL license. You can use it,
  * redistribute it and/or modify it under the terms of the:
  *

src/main/java/org/truffleruby/core/regexp/RegexpOptions.java

@@ -7,10 +7,6 @@
  * GNU General Public License version 2, or
  * GNU Lesser General Public License version 2.1.
  */
-/*
- * To change this template, choose Tools | Templates
- * and open the template in the editor.
- */
 package org.truffleruby.core.regexp;
 
 import org.jcodings.Encoding;

src/main/java/org/truffleruby/core/string/StringOperations.java

@@ -1,14 +1,5 @@
 /*
- * Copyright (c) 2016, 2020 Oracle and/or its affiliates. All rights reserved. This
- * code is released under a tri EPL/GPL/LGPL license. You can use it,
- * redistribute it and/or modify it under the terms of the:
- *
- * Eclipse Public License version 2.0, or
- * GNU General Public License version 2, or
- * GNU Lesser General Public License version 2.1.
- */
-/*
- * Copyright (c) 2013, 2015, 2016 Oracle and/or its affiliates. All rights reserved. This
+ * Copyright (c) 2013, 2020 Oracle and/or its affiliates. All rights reserved. This
  * code is released under a tri EPL/GPL/LGPL license. You can use it,
  * redistribute it and/or modify it under the terms of the:
  *

src/main/java/org/truffleruby/language/literal/StringLiteralNode.java

@@ -1,14 +1,5 @@
 /*
- * Copyright (c) 2016, 2020 Oracle and/or its affiliates. All rights reserved. This
- * code is released under a tri EPL/GPL/LGPL license. You can use it,
- * redistribute it and/or modify it under the terms of the:
- *
- * Eclipse Public License version 2.0, or
- * GNU General Public License version 2, or
- * GNU Lesser General Public License version 2.1.
- */
-/*
- * Copyright (c) 2013, 2015, 2016 Oracle and/or its affiliates. All rights reserved. This
+ * Copyright (c) 2013, 2020 Oracle and/or its affiliates. All rights reserved. This
  * code is released under a tri EPL/GPL/LGPL license. You can use it,
  * redistribute it and/or modify it under the terms of the:
  *