[Infra] remove unused travis_install.sh

tests/travis_install.sh

-#!/bin/bash
-# Copyright (c) 2020, Xilinx
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are met:
-#
-# * Redistributions of source code must retain the above copyright notice, this
-#   list of conditions and the following disclaimer.
-#
-# * Redistributions in binary form must reproduce the above copyright notice,
-#   this list of conditions and the following disclaimer in the documentation
-#   and/or other materials provided with the distribution.
-#
-# * Neither the name of FINN nor the names of its
-#   contributors may be used to endorse or promote products derived from
-#   this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-# This script is meant to be called by the "install" step defined in
-# .travis.yml. See http://docs.travis-ci.com/ for more details.
-# The behavior of the script is controlled by environment variabled defined
-# in the .travis.yml in the top level folder of the project.
-#
-# This script is inspired by Scikit-Learn (http://scikit-learn.org/)
-#
-# THIS SCRIPT IS SUPPOSED TO BE AN EXAMPLE. MODIFY IT ACCORDING TO YOUR NEEDS!
-
-set -e
-
-if [[ "$DISTRIB" == "conda" ]]; then
-    # Deactivate the travis-provided virtual environment and setup a
-    # conda-based environment instead
-    deactivate
-
-    if [[ -f "$HOME/miniconda/bin/conda" ]]; then
-        echo "Skip install conda [cached]"
-    else
-        # By default, travis caching mechanism creates an empty dir in the
-        # beginning of the build, but conda installer aborts if it finds an
-        # existing folder, so let's just remove it:
-        rm -rf "$HOME/miniconda"
-
-        # Use the miniconda installer for faster download / install of conda
-        # itself
-        wget http://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh \
-            -O miniconda.sh
-        chmod +x miniconda.sh && ./miniconda.sh -b -p $HOME/miniconda
-    fi
-    export PATH=$HOME/miniconda/bin:$PATH
-    # Make sure to use the most updated version
-    conda update --yes conda
-
-    # Configure the conda environment and put it in the path using the
-    # provided versions
-    # (prefer local venv, since the miniconda folder is cached)
-    conda create -p ./.venv --yes python=${PYTHON_VERSION} pip virtualenv
-    source activate ./.venv
-fi
-
-# for all
-pip install -U pip setuptools
-pip install tox
-
-if [[ "$COVERAGE" == "true" ]]; then
-    pip install -U pytest-cov pytest-virtualenv coverage coveralls flake8 pre-commit
-fi
-
-
-travis-cleanup() {
-    printf "Cleaning up environments ... "  # printf avoids new lines
-    if [[ "$DISTRIB" == "conda" ]]; then
-        # Force the env to be recreated next time, for build consistency
-        source deactivate
-        conda remove -p ./.venv --all --yes
-        rm -rf ./.venv
-    fi
-    echo "DONE"
-}