luci-app-ddns: fix some errors in pl/ddns.po

i18n-sync.sh reports some errors in pl/ddns.po:

- "File (Plik)" is duplicated
- "Notice (Spostrzeżenie)" is duplicated
- "Script (Skrypt)" is duplicated
- "-- custom -- (-- własne --)" is duplicated
- "Collecting data... (Trwa zbieranie danych...)" is duplicated
- "Version (Wersja)" is duplicated

This commit fixes these errors.

Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>

applications/luci-app-ddns/po/pl/ddns.po

@@ -18,11 +18,6 @@ msgstr ""
 msgid "\"../\" not allowed in path for Security Reason."
 msgstr "„../” jest niedozwolone ze względów bezpieczeństwa."
 
-#: applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua:562
-#: applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua:591
-msgid "-- custom --"
-msgstr "-- własne --"
-
 #: applications/luci-app-ddns/htdocs/luci-static/resources/view/ddns/overview.js:443
 msgid "Advanced Settings"
 msgstr "Ustawienia zaawansowane"
@@ -63,10 +58,6 @@ msgstr "Anuluj"
 msgid "Check Interval"
 msgstr "Interwał sprawdzania"
 
-#: applications/luci-app-ddns/luasrc/view/ddns/system_status.htm:55
-msgid "Collecting data..."
-msgstr "Trwa zbieranie danych..."
-
 #: applications/luci-app-ddns/luasrc/model/cbi/ddns/overview.lua:102
 #: applications/luci-app-ddns/luasrc/view/ddns/system_status.htm:48
 msgid "Configuration"
@@ -227,10 +218,6 @@ msgstr "Błąd interwału powtórzeń"
 msgid "Event Network"
 msgstr "Zdarzenia sieciowe"
 
-#: applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua:1295
-msgid "File"
-msgstr "Plik"
-
 #: applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua:469
 msgid "File not found"
 msgstr "Nie znaleziono pliku"
@@ -486,10 +473,6 @@ msgstr "Brak logowania"
 msgid "Non-public and by default blocked IP's"
 msgstr "Niepubliczne i domyślnie zablokowane IP"
 
-#: applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua:1284
-msgid "Notice"
-msgstr "Spostrzeżenie"
-
 #: applications/luci-app-ddns/htdocs/luci-static/resources/view/ddns/overview.js:775
 msgid "Notice"
 msgstr "Spostrzeżenie"
@@ -604,16 +587,10 @@ msgstr "Resetuj DDns"
 msgid "Run once"
 msgstr "Uruchom raz"
 
-#: applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua:667
-#: applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua:717
-#: applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua:981
-msgid "Script"
-msgstr "Skrypt"
-
 #: applications/luci-app-ddns/htdocs/luci-static/resources/view/ddns/overview.js:610
 #: applications/luci-app-ddns/htdocs/luci-static/resources/view/ddns/overview.js:672
 msgid "Script"
-msgstr ""
+msgstr "Skrypt"
 
 #: applications/luci-app-ddns/htdocs/luci-static/resources/view/ddns/overview.js:291
 msgid "Services"
@@ -727,12 +704,6 @@ msgstr "Używanie określonego serwera DNS nie jest obsługiwane"
 msgid "Values below 5 minutes == 300 seconds are not supported"
 msgstr "Wartości poniżej 5 minut == 300 sekund nie są obsługiwane"
 
-#: applications/luci-app-ddns/luasrc/controller/ddns.lua:95
-#: applications/luci-app-ddns/luasrc/controller/ddns.lua:97
-#: applications/luci-app-ddns/luasrc/controller/ddns.lua:100
-msgid "Version"
-msgstr "Wersja"
-
 #: applications/luci-app-ddns/htdocs/luci-static/resources/view/ddns/overview.js:13
 msgid "Verify"
 msgstr "Zweryfikuj"