Revert "Create tools/install_prereqs.sh"

This reverts commit 7be0b04

This work breaks the ability to do multi database installs,
revert until there is a working solution here, as this is going
to make fixing postgresql in tempest impossible.

Change-Id: I39a2b78542fe60233806d1005186ce1b31d4be17
diff --git a/functions b/functions
index 23aee93..9565e10 100644
--- a/functions
+++ b/functions
@@ -710,27 +710,6 @@
 }
 
 
-# HTTP and HTTPS proxy servers are supported via the usual environment variables [1]
-# ``http_proxy``, ``https_proxy`` and ``no_proxy``. They can be set in
-# ``localrc`` or on the command line if necessary::
-#
-# [1] http://www.w3.org/Daemon/User/Proxies/ProxyClients.html
-#
-#     http_proxy=http://proxy.example.com:3128/ no_proxy=repo.example.net ./stack.sh
-
-function re_export_proxy_variables() {
-    if [[ -n "$http_proxy" ]]; then
-        export http_proxy=$http_proxy
-    fi
-    if [[ -n "$https_proxy" ]]; then
-        export https_proxy=$https_proxy
-    fi
-    if [[ -n "$no_proxy" ]]; then
-        export no_proxy=$no_proxy
-    fi
-}
-
-
 # Helper to launch a service in a named screen
 # screen_it service "command-line"
 function screen_it {
diff --git a/stack.sh b/stack.sh
index 7306b58..9f734b9 100755
--- a/stack.sh
+++ b/stack.sh
@@ -648,7 +648,25 @@
 
 # Install package requirements
 echo_summary "Installing package prerequisites"
-$TOP_DIR/tools/install_prereqs.sh
+if is_ubuntu; then
+    install_package $(get_packages $FILES/apts)
+elif is_fedora; then
+    install_package $(get_packages $FILES/rpms)
+elif is_suse; then
+    install_package $(get_packages $FILES/rpms-suse)
+else
+    exit_distro_not_supported "list of packages"
+fi
+
+if [[ $SYSLOG != "False" ]]; then
+    if is_ubuntu || is_fedora; then
+        install_package rsyslog-relp
+    elif is_suse; then
+        install_package rsyslog-module-relp
+    else
+        exit_distro_not_supported "rsyslog-relp installation"
+    fi
+fi
 
 if is_service_enabled rabbit; then
     # Install rabbitmq-server
diff --git a/tools/install_prereqs.sh b/tools/install_prereqs.sh
deleted file mode 100755
index 0bf217b..0000000
--- a/tools/install_prereqs.sh
+++ /dev/null
@@ -1,78 +0,0 @@
-#!/usr/bin/env bash
-
-# **install_prereqs.sh**
-
-# Install system package prerequisites
-#
-# install_prereqs.sh [-f]
-#
-# -f        Force an install run now
-
-
-if [[ -n "$1" &&  "$1" = "-f" ]]; then
-    FORCE=1
-fi
-
-# Keep track of the devstack directory
-TOP_DIR=$(cd $(dirname "$0")/.. && pwd)
-
-# Import common functions
-source $TOP_DIR/functions
-
-# Determine what system we are running on.  This provides ``os_VENDOR``,
-# ``os_RELEASE``, ``os_UPDATE``, ``os_PACKAGE``, ``os_CODENAME``
-# and ``DISTRO``
-GetDistro
-
-# Needed to get ``ENABLED_SERVICES``
-source $TOP_DIR/stackrc
-
-# Prereq dirs are here
-FILES=$TOP_DIR/files
-
-# Minimum wait time
-PREREQ_RERUN_MARKER=${PREREQ_RERUN_MARKER:-$TOP_DIR/.prereqs}
-PREREQ_RERUN_HOURS=${PREREQ_RERUN_HOURS:-2}
-PREREQ_RERUN_SECONDS=$((60*60*$PREREQ_RERUN_HOURS))
-
-NOW=$(date "+%s")
-LAST_RUN=$(head -1 $PREREQ_RERUN_MARKER 2>/dev/null || echo "0")
-DELTA=$(($NOW - $LAST_RUN))
-if [[ $DELTA -lt $PREREQ_RERUN_SECONDS && -z "$FORCE" ]]; then
-    echo "Re-run time has not expired ($(($PREREQ_RERUN_SECONDS - $DELTA)) seconds remaining); exiting..."
-    exit 0
-fi
-
-# Make sure the proxy config is visible to sub-processes
-re_export_proxy_variables
-
-# Install Packages
-# ================
-
-# Install package requirements
-if is_ubuntu; then
-    install_package $(get_packages $FILES/apts)
-elif is_fedora; then
-    install_package $(get_packages $FILES/rpms)
-elif is_suse; then
-    install_package $(get_packages $FILES/rpms-suse)
-else
-    exit_distro_not_supported "list of packages"
-fi
-
-if [[ -n "$SYSLOG" && "$SYSLOG" != "False" ]]; then
-    if is_ubuntu || is_fedora; then
-        install_package rsyslog-relp
-    elif is_suse; then
-        install_package rsyslog-module-relp
-    else
-        exit_distro_not_supported "rsyslog-relp installation"
-    fi
-fi
-
-
-# Mark end of run
-# ---------------
-
-date "+%s" >$PREREQ_RERUN_MARKER
-date >>$PREREQ_RERUN_MARKER