Remove leftover

python/COVERAGE-NOTES-REMOVEME.md

@@ -1,33 +0,0 @@
-# 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.
-
-To build Cython modules with coverage:
-```
-export PYARROW_CMAKE_OPTIONS="$PYARROW_CMAKE_OPTIONS -DCYTHON_FLAGS='-X linetrace=True'"
-
-python setup.py build_ext --inplace
-```
-
-To collect coverage data:
-```
-coverage run -m pytest pyarrow/tests/
-```
-
-To display a coverage report:
-```
-coverage report
-```