remove default option in bootstrap helper

charts/postgres-cluster/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: postgres-cluster
-version: 2.3.1
+version: 2.3.7
 description: Chart for cloudnative-pg cluster
 keywords:
   - database

charts/postgres-cluster/templates/_bootstrap.tpl

@@ -26,20 +26,20 @@ bootstrap:
     import:
       type: {{ .Values.replica.importType }}
       databases:
-        {{- if and (len .Values.replica.importDatabases gt 1) (.Values.replica.importType eq "microservice") }}
+        {{- if and (gt (len .Values.replica.importDatabases) 1) (eq .Values.replica.importType "microservice") }}
           {{ fail "Too many databases in import type of microservice!" }}
         {{- else}}
         {{- with .Values.replica.importDatabases }}
         {{- . | toYaml | nindent 8 }}
         {{- end }}
         {{- end }}        
-      {{- if .Values.replica.importType eq "monolith" }}
+      {{- if eq .Values.replica.importType "monolith" }}
       roles:
         {{- with .Values.replica.importRoles }}
         {{- . | toYaml | nindent 8 }}
         {{- end }}
       {{- end }}
-      {{- if and (.Values.replica.postImportApplicationSQL) (.Values.replica.importType eq "microservice") }}
+      {{- if and (.Values.replica.postImportApplicationSQL) (eq .Values.replica.importType "microservice") }}
       postImportApplicationSQL:
         {{- with .Values.replica.postImportApplicationSQL }}
         {{- . | toYaml | nindent 8 }}