Removed all Oracle configuration backup file creating, because user can always run 'vagrant destroy --force && vagrant up' to destroy existing virtual machine and setup new again

Author: Artis Abolts

Vagrantfile

@@ -25,12 +25,10 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   config.vm.provision :shell, inline: "mkdir -p /opt/oracle"
   config.vm.provision :shell, inline: "unzip -q -d /opt/oracle /vagrant/oracle-xe-11.2.0-1.0.x86_64.rpm.zip"
   config.vm.provision :shell, inline: "cd /opt/oracle/Disk1 && rpm -ivh oracle-xe-11.2.0-1.0.x86_64.rpm"
-  config.vm.provision :shell, inline: "cp /opt/oracle/Disk1/response/xe.rsp /opt/oracle/Disk1/response/xe.rsp-bak"
   config.vm.provision :shell, inline: %q{sed -i -E "s/<value required>/oracle/" /opt/oracle/Disk1/response/xe.rsp}
   config.vm.provision :shell, inline: "/etc/init.d/oracle-xe configure responseFile=/opt/oracle/Disk1/response/xe.rsp >> /opt/oracle/XEsilentinstall.log"
   config.vm.provision :shell, inline: ". /u01/app/oracle/product/11.2.0/xe/bin/oracle_env.sh"
   config.vm.provision :shell, inline: "touch /etc/profile.d/oracle_profile.sh && cat /u01/app/oracle/product/11.2.0/xe/bin/oracle_env.sh >> /etc/profile.d/oracle_profile.sh"
-  config.vm.provision :shell, inline: "cp /u01/app/oracle/product/11.2.0/xe/network/admin/listener.ora /u01/app/oracle/product/11.2.0/xe/network/admin/listener.ora-bak"
   config.vm.provision :shell, inline: %q{sed -i -E "s/HOST = [^)]+/HOST = $HOSTNAME/g" /u01/app/oracle/product/11.2.0/xe/network/admin/listener.ora}
   config.vm.provision :shell, inline: %q{sed -i -E "s/<ORACLE_BASE>/\/u01\/app\/oracle/" /u01/app/oracle/product/11.2.0/xe/dbs/init.ora}