Stop printing warnings about ADB version

platform_tools/android/bin/utils/setup_adb.sh

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 UTIL_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 if [ $PYADB ] && [ -a "$PYADB" ]; then
   echo "Python ADB detected, going to use that"
   ADB="python ${PYADB}"
   return
 fi
 
 if [ "$(which adb)" != "" ]; then
     ADB="$(which adb)"
 elif [ -d "$ANDROID_SDK_ROOT" ]; then
     ADB="${ANDROID_SDK_ROOT}/platform-tools/adb"
 else
   echo $ANDROID_SDK_ROOT
   echo "No ANDROID_SDK_ROOT set (check that android_setup.sh was properly sourced)"
   exit 1
 fi
 
 if [ ! -x $ADB ]; then
   echo "The adb binary is not executable"
   exit 1
 fi
-
-if [ $(uname) == "Linux" ]; then
-  ADB_REQUIRED="1.0.32 or 1.0.35"
-elif [ $(uname) == "Darwin" ]; then
-  ADB_REQUIRED="1.0.31 or 1.0.32"
-fi
-
-# get the version string as an array, use just the version numbers
-ADB_VERSION="$($ADB version)"
-ADB_VERSION=($ADB_VERSION)
-ADB_VERSION=${ADB_VERSION[4]}
-
-if [[ "$ADB_REQUIRED" != *"$ADB_VERSION"* ]]; then
-  echo "WARNING: Your ADB version is out of date!"
-  echo "  Expected ADB Version: ${ADB_REQUIRED}"
-  echo "  Actual ADB Version: ${ADB_VERSION}"
-fi