fix: remove unused i18n key and disable long-title validation

Remove package.docs.og_title from all locales and schema (no longer
used after OG image API migration). Disable long-title html-validate
rule to prevent OG image prerender failures.

Author: harlan-zw

i18n/locales/de.json

@@ -332,7 +332,6 @@
       "page_title": "API-Dokumentation - npmx",
       "page_title_name": "{name} Dokumentation - npmx",
       "page_title_version": "{name} Dokumentation - npmx",
-      "og_title": "{name} - Dokumentation",
       "view_package": "Paket anzeigen"
     },
     "get_started": {

i18n/locales/en.json

@@ -333,7 +333,6 @@
       "page_title": "API Docs - npmx",
       "page_title_name": "{name} docs - npmx",
       "page_title_version": "{name} docs - npmx",
-      "og_title": "{name} - Docs",
       "view_package": "View package"
     },
     "get_started": {

i18n/locales/fr-FR.json

@@ -331,7 +331,6 @@
       "page_title": "Documentation API - npmx",
       "page_title_name": "Documentation {name} - npmx",
       "page_title_version": "Documentation {name} - npmx",
-      "og_title": "{name} - Documentation",
       "view_package": "Voir le paquet"
     },
     "get_started": {

i18n/locales/hi-IN.json

@@ -332,7 +332,6 @@
       "page_title": "API Docs - npmx",
       "page_title_name": "{name} docs - npmx",
       "page_title_version": "{name} docs - npmx",
-      "og_title": "{name} - Docs",
       "view_package": "पैकेज देखें"
     },
     "get_started": {

i18n/locales/mr-IN.json

@@ -332,7 +332,6 @@
       "page_title": "API दस्तऐवज - npmx",
       "page_title_name": "{name} दस्तऐवज - npmx",
       "page_title_version": "{name} दस्तऐवज - npmx",
-      "og_title": "{name} - दस्तऐवज",
       "view_package": "पॅकेज पहा"
     },
     "get_started": {

i18n/schema.json

@@ -1003,9 +1003,6 @@
             "page_title_version": {
               "type": "string"
             },
-            "og_title": {
-              "type": "string"
-            },
             "view_package": {
               "type": "string"
             }

nuxt.config.ts

@@ -278,7 +278,7 @@ export default defineNuxtConfig({
   htmlValidator: {
     enabled: !isCI || (provider !== 'vercel' && !!process.env.VALIDATE_HTML),
     options: {
-      rules: { 'meta-refresh': 'off' },
+      rules: { 'meta-refresh': 'off', 'long-title': 'off' },
     },
     ignore: [/\.(xml|rss|json)$/, /^\/_og\//],
     failOnError: true,