Fix start function template

The template contains extra backslashes which can cause the start function
to contain extra backslashes, ie:

function start () {
  exec neutron-server \
        --config-file /etc/neutron/neutron.conf \ \
        --config-file /etc/neutron/taas_plugin.ini \ \
        --config-file /etc/neutron/plugins/ml2/sriov_agent.ini \
        --config-file /etc/neutron/plugins/ml2/ml2_conf.ini
}

With this change the function templates correctly.

Change-Id: I9f8ceb203a0039a83ee49c76d6891f7380a6cc08

neutron/Chart.yaml

@@ -14,7 +14,7 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm Neutron
 name: neutron
-version: 0.3.22
+version: 0.3.23
 home: https://docs.openstack.org/neutron/latest/
 icon: https://www.openstack.org/themes/openstack/images/project-mascots/Neutron/OpenStack_Project_Neutron_vertical.png
 sources:

neutron/templates/bin/_neutron-server.sh.tpl

@@ -23,13 +23,13 @@ function start () {
 {{- if ( has "ovn" .Values.network.backend ) }}
         --config-file /tmp/pod-shared/ovn.ini \
 {{- end }}
-{{- if .Values.conf.plugins.taas.taas.enabled }} \
+{{- if .Values.conf.plugins.taas.taas.enabled }}
         --config-file /etc/neutron/taas_plugin.ini \
 {{- end }}
-{{- if ( has "sriov" .Values.network.backend ) }} \
+{{- if ( has "sriov" .Values.network.backend ) }}
         --config-file /etc/neutron/plugins/ml2/sriov_agent.ini \
 {{- end }}
-{{- if .Values.conf.plugins.l2gateway }} \
+{{- if .Values.conf.plugins.l2gateway }}
         --config-file /etc/neutron/l2gw_plugin.ini \
 {{- end }}
 {{- if ( has "tungstenfabric" .Values.network.backend ) }}

releasenotes/notes/neutron.yaml

@@ -64,4 +64,5 @@ neutron:
   - 0.3.20 Add Ubuntu Jammy overrides
   - 0.3.21 Run native netns cleanup
   - 0.3.22 Add BGP Dragent support for running dragent agents as daemonsets
+  - 0.3.23 Fix start function template
 ...