Remove labs setting for rust crypto

src/i18n/strings/en_EN.json

@@ -1465,11 +1465,6 @@
         "render_reaction_images_description": "Sometimes referred to as \"custom emojis\".",
         "report_to_moderators": "Report to moderators",
         "report_to_moderators_description": "In rooms that support moderation, the “Report” button will let you report abuse to room moderators.",
-        "rust_crypto": "Rust cryptography implementation",
-        "rust_crypto_in_config": "Rust cryptography cannot be disabled on this deployment of %(brand)s",
-        "rust_crypto_in_config_description": "Switching to the Rust cryptography requires a migration process that may take several minutes. It cannot be disabled; use with caution!",
-        "rust_crypto_optin_warning": "Switching to the Rust cryptography requires a migration process that may take several minutes. To disable you will need to log out and back in; use with caution!",
-        "rust_crypto_requires_logout": "Once enabled, Rust cryptography can only be disabled by logging out and in again",
         "sliding_sync": "Sliding Sync mode",
         "sliding_sync_description": "Under active development, cannot be disabled.",
         "sliding_sync_disabled_notice": "Log out and back in to disable",

src/settings/Settings.tsx

@@ -42,11 +42,9 @@ import { MetaSpace } from "../stores/spaces";
 import SdkConfig from "../SdkConfig";
 import SlidingSyncController from "./controllers/SlidingSyncController";
 import { FontWatcher } from "./watchers/FontWatcher";
-import RustCryptoSdkController from "./controllers/RustCryptoSdkController";
 import ServerSupportUnstableFeatureController from "./controllers/ServerSupportUnstableFeatureController";
 import { WatchManager } from "./WatchManager";
 import { CustomTheme } from "../theme";
-import SettingsStore from "./SettingsStore";
 import AnalyticsController from "./controllers/AnalyticsController";
 
 export const defaultWatchManager = new WatchManager();
@@ -479,24 +477,6 @@ export const SETTINGS: { [setting: string]: ISetting } = {
         description: _td("labs|oidc_native_flow_description"),
         default: false,
     },
-    [Features.RustCrypto]: {
-        // use the rust matrix-sdk-crypto-wasm for crypto.
-        isFeature: true,
-        labsGroup: LabGroup.Developer,
-        supportedLevels: LEVELS_DEVICE_ONLY_SETTINGS_WITH_CONFIG,
-        displayName: _td("labs|rust_crypto"),
-        description: () => {
-            if (SettingsStore.getValueAt(SettingLevel.CONFIG, Features.RustCrypto)) {
-                // It's enabled in the config, so you can't get rid of it even by logging out.
-                return _t("labs|rust_crypto_in_config_description");
-            } else {
-                return _t("labs|rust_crypto_optin_warning");
-            }
-        },
-        shouldWarn: true,
-        default: true,
-        controller: new RustCryptoSdkController(),
-    },
     /**
      * @deprecated in favor of {@link fontSizeDelta}
      */