Preserve documentation license audit exclusions

Author: tisonkun

.rat-excludes

@@ -12,6 +12,11 @@ fdlibm_log\.hpp
 # Dotfiles and repository metadata with no comment convention.
 \..*
 #
+# Documentation.
+README\.md
+CONTRIBUTING\.md
+CODE_OF_CONDUCT\.md
+#
 # Generated and template files consumed by the build.
 Doxyfile
 version\.cfg\.in

CODE_OF_CONDUCT.md

@@ -1,22 +1,3 @@
-<!--
-Licensed to the Apache Software Foundation (ASF) under one
-or more contributor license agreements.  See the NOTICE file
-distributed with this work for additional information
-regarding copyright ownership.  The ASF licenses this file
-to you under the Apache License, Version 2.0 (the
-"License"); you may not use this file except in compliance
-with the License.  You may obtain a copy of the License at
-
-  http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing,
-software distributed under the License is distributed on an
-"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-KIND, either express or implied.  See the License for the
-specific language governing permissions and limitations
-under the License.
--->
-
 # Code of Conduct
 
 We adhere to the Apache Software Foundation's [Code of Conduct](https://www.apache.org/foundation/policies/conduct).

CONTRIBUTING.md

@@ -1,22 +1,3 @@
-<!--
-Licensed to the Apache Software Foundation (ASF) under one
-or more contributor license agreements.  See the NOTICE file
-distributed with this work for additional information
-regarding copyright ownership.  The ASF licenses this file
-to you under the Apache License, Version 2.0 (the
-"License"); you may not use this file except in compliance
-with the License.  You may obtain a copy of the License at
-
-  http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing,
-software distributed under the License is distributed on an
-"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-KIND, either express or implied.  See the License for the
-specific language governing permissions and limitations
-under the License.
--->
-
 # Contributing
 
 ## How We Communicate
@@ -66,4 +47,4 @@ Proposed changes to the code or documentation are usually done through GitHub Pu
 * Major changes to the code such as API or architectural changes or new sketch algorithms must be discussed on <dev@datasketches.apache.org> or on a GitHub issue as these will require additional design and compatibility reviews. These changes must receive at least three (+1) votes from committers. If the author is already a committer, than two additional committers must vote (+1). 
 
 ### Becoming a committer
-We welcome anyone who is eager to continue to contribute to the DataSketches mission of providing open source, production quality sketch algorithms and become part of our team.  Please send us a message on <dev@datasketches.apache.org> where we can give you some guidance.  After you have made some successful contributions, the current committers will discuss your candidacy for becoming a committer.  You can also review the [Apache policies on becoming a committer](https://community.apache.org/contributors/index.html) as well as our [New Committer Process](https://datasketches.apache.org/docs/Community/NewCommitterProcess.html) for selecting and inviting a committer to join our project.
+We welcome anyone who is eager to continue to contribute to the DataSketches mission of providing open source, production quality sketch algorithms and become part of our team.  Please send us a message on <dev@datasketches.apache.org> where we can give you some guidance.  After you have made some successful contributions, the current committers will discuss your candidacy for becoming a committer.  You can also review the [Apache policies on becoming a committer](https://community.apache.org/contributors/index.html) as well as our [New Committer Process](https://datasketches.apache.org/docs/Community/NewCommitterProcess.html) for selecting and inviting a committer to join our project.

README.md

@@ -1,22 +1,3 @@
-<!--
-Licensed to the Apache Software Foundation (ASF) under one
-or more contributor license agreements.  See the NOTICE file
-distributed with this work for additional information
-regarding copyright ownership.  The ASF licenses this file
-to you under the Apache License, Version 2.0 (the
-"License"); you may not use this file except in compliance
-with the License.  You may obtain a copy of the License at
-
-  http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing,
-software distributed under the License is distributed on an
-"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-KIND, either express or implied.  See the License for the
-specific language governing permissions and limitations
-under the License.
--->
-
 # Apache DataSketches Core C++ Library Component
 
 This is the core C++ component of the Apache DataSketches library.  It contains all the key sketching algorithms from the Java implementation and can be accessed directly by user applications.