chore: remove conditional

Author: creynolds15

templates/startup_script.sh.tmpl

@@ -17,9 +17,7 @@ EOF
 # check if tamr has been installed on the VM, if not download and install it
 if [[ ! -f ${tamr_home_directory}/tamr/start-unify.sh ]]; then
     # run any custom commands to prepare VM
-    %{ if pre_install_bash != ""}
     ${pre_install_bash}
-    %{ endif }
     # download tamr install
     sudo -S -u tamr -i /bin/bash -c 'gsutil cp ${tamr_zip_uri} ${tamr_home_directory}/unify.zip'
     # unzip and install unify