chore: remove duplicate CONTRIBUTION.md (#54)

diff --git a/CONTRIBUTION.md b/CONTRIBUTION.md
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--- a/CONTRIBUTION.md
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-<!--
-#
-# 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 to Apache Cordova
-
-Anyone can contribute to Cordova. And we need your contributions.
-
-There are multiple ways to contribute: report bugs, improve the docs, and
-contribute code.
-
-For instructions on this, start with the
-[contribution overview](http://cordova.apache.org/contribute/).
-
-The details are explained there, but the important items are:
- - Sign and submit an Apache ICLA (Contributor License Agreement).
- - Have a Jira issue open that corresponds to your contribution.
- - Run the tests so your patch doesn't break existing functionality.
-
-We look forward to your contributions!
\ No newline at end of file