Revert "Refactor auto-translations and add caching"

There are quite a few issues with this and is causing crashing

This reverts commit ae82114a33.

damus/Models/UserSettingsStore.swift

@@ -280,6 +280,17 @@ class UserSettingsStore: ObservableObject {
     private func clearDeepLApiKey() throws {
         try Vault.deletePrivateKey(keychainConfiguration: DamusDeepLKeychainConfiguration())
     }
+
+    func can_translate(_ pubkey: String) -> Bool {
+        switch translation_service {
+        case .none:
+            return false
+        case .libretranslate:
+            return URLComponents(string: libretranslate_url) != nil
+        case .deepl:
+            return deepl_api_key != ""
+        }
+    }
 }
 
 struct DamusLibreTranslateKeychainConfiguration: KeychainConfiguration {