fix(flagsmith): remove unused timezone field

apps/flagsmith/2.263.0/.env.sample

@@ -1,6 +1,7 @@
 CONTAINER_NAME=flagsmith-compose-check
 PANEL_APP_BIND_ADDRESS=127.0.0.1
 PANEL_APP_PORT_HTTP=8000
+PANEL_DB_TYPE=postgresql
 PANEL_DB_HOST=
 PANEL_DB_PORT=5432
 PANEL_DB_NAME=flagsmith

apps/flagsmith/2.263.0/data.yml

@@ -205,19 +205,3 @@ additionalProperties:
       value: 'false'
     - label: 'true'
       value: 'true'
-  - default: Asia/Shanghai
-    edit: true
-    envKey: TZ
-    labelEn: Timezone
-    labelZh: 时区
-    label:
-      en: Timezone
-      zh: 时区
-      zh-Hant: 時區
-      ja: タイムゾーン
-      ko: 시간대
-      ru: Часовой пояс
-      ms: Zon waktu
-      pt-br: Fuso horário
-    required: true
-    type: text