feat(helm): Do not explicitly template `managed-by`, as it should be set at install time by the installation manager. (#14763)

Signed-off-by: Benjamin Leggett <benjamin.leggett@solo.io>

production/helm/loki/templates/_helpers.tpl

@@ -134,7 +134,6 @@ helm.sh/chart: {{ include "loki.chart" . }}
 {{- if or (.Chart.AppVersion) (.Values.loki.image.tag) }}
 app.kubernetes.io/version: {{ include "loki.validLabelValue" (.Values.loki.image.tag | default .Chart.AppVersion) | quote }}
 {{- end }}
-app.kubernetes.io/managed-by: {{ .Release.Service }}
 {{- end }}
 
 {{/*