Remove decode2text since it no longer included in base docker mailserver image

Author: cfis

charts/docker-mailserver/values.yaml

@@ -560,10 +560,6 @@ configMaps:
       {{- if .Values.dovecot.fullTextSearch.enabled }}
         mail_plugins = $mail_plugins fts fts_xapian
 
-        plugin {
-          fts_decoder = decode2text
-        }
-
         plugin {
             fts = xapian
             fts_xapian = partial=3 full=20 verbose={{ .Values.dovecot.fullTextSearch.verbose }}
@@ -579,14 +575,6 @@ configMaps:
             # limit size of indexer-worker RAM usage, ex: 512MB, 1GB, 2GB
             vsz_limit = {{ .Values.dovecot.fullTextSearch.resources.memory }}
         }
-
-        service decode2text {
-            executable = script /usr/lib/dovecot/decode2text.sh
-            user = dovecot
-            unix_listener decode2text {
-                mode = 0666
-            }
-        }
       {{- end -}}
 
   user-patches.sh: