Update install.sh

Remove Timezone change.

install.sh

@@ -7,10 +7,6 @@ if [[ `whoami` == "root" ]]; then
     exit 1
 fi
 CURUSER=$(whoami)
-echo "Etc/UTC" | sudo tee -a /etc/timezone
-sudo rm -rf /etc/localtime
-sudo ln -s /usr/share/zoneinfo/Zulu /etc/localtime
-sudo dpkg-reconfigure -f noninteractive tzdata
 sudo apt-get update
 sudo DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
 sudo DEBIAN_FRONTEND=noninteractive apt-get -y install git python-virtualenv python3-virtualenv curl ntp build-essential screen cmake pkg-config libboost-all-dev libevent-dev libunbound-dev libminiupnpc-dev libunwind8-dev liblzma-dev libldns-dev libexpat1-dev libgtest-dev libzmq3-dev