removed unused shell script (#269)

dist/install.sh

-
-#!/bin/bash
-
-# This file is part of arduino-cli.
-#
-# arduino-cli is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-#
-# As a special exception, you may use this file as part of a free software
-# library without restriction.  Specifically, if other files instantiate
-# templates or use macros or inline functions from this file, or you compile
-# this file and link it with other files to produce an executable, this
-# file does not by itself cause the resulting executable to be covered by
-# the GNU General Public License.  This exception does not however
-# invalidate any other reasons why the executable file might be covered by
-# the GNU General Public License.
-#
-# Copyright 2017 ARDUINO AG (http://www.arduino.cc/)
-
-#Arduino CLI install script
-#Assumes installation from folder cloned from github
-#e.g `git clone CLI_REPO && ./CLI_REPO/dist/install.sh`
-#TODO
\ No newline at end of file