sourcegraph: do not include frontend env var in migrator container (#559)

Author: michaellzc

charts/sourcegraph/templates/frontend/sourcegraph-frontend.Deployment.yaml

@@ -59,10 +59,6 @@ spec:
         {{- include "sourcegraph.databaseAuth" (list . "codeIntelDB" "CODEINTEL_PG") | nindent 8 }}
         {{- include "sourcegraph.databaseAuth" (list . "codeInsightsDB" "CODEINSIGHTS_PG") | nindent 8 }}
         {{- end }}
-        {{- range $name, $item := .Values.frontend.env }}
-        - name: {{ $name }}
-          {{- $item | toYaml | nindent 10 }}
-        {{- end }}
         {{- range $name, $item := .Values.migrator.env }}
         - name: {{ $name }}
           {{- $item | toYaml | nindent 10 }}