[PM-30483] Remove feature flagged logic for passkey unlock (#19798)

Now that passkey unlock has been released, this change removes the logic related to the passkey unlock feature flag pm-2035-passkey-unlock.

Author: eligrubb

apps/browser/src/popup/services/services.module.ts

@@ -659,14 +659,12 @@ const safeProviders: SafeProvider[] = [
     useClass: DefaultWebAuthnPrfUnlockService,
     deps: [
       WebAuthnLoginPrfKeyServiceAbstraction,
-      KeyService,
       UserDecryptionOptionsServiceAbstraction,
       EncryptService,
       EnvironmentService,
       PlatformUtilsService,
       WINDOW,
       LogService,
-      ConfigService,
     ],
   }),
   safeProvider({

apps/desktop/src/app/services/services.module.ts

@@ -444,14 +444,12 @@ const safeProviders: SafeProvider[] = [
     useClass: DefaultWebAuthnPrfUnlockService,
     deps: [
       WebAuthnLoginPrfKeyServiceAbstraction,
-      KeyServiceAbstraction,
       UserDecryptionOptionsServiceAbstraction,
       EncryptService,
       EnvironmentService,
       PlatformUtilsServiceAbstraction,
       WINDOW,
       LogServiceAbstraction,
-      ConfigService,
     ],
   }),
   safeProvider({

apps/web/src/app/core/core.module.ts

@@ -497,14 +497,12 @@ const safeProviders: SafeProvider[] = [
     useClass: DefaultWebAuthnPrfUnlockService,
     deps: [
       WebAuthnLoginPrfKeyServiceAbstraction,
-      KeyServiceAbstraction,
       InternalUserDecryptionOptionsServiceAbstraction,
       EncryptService,
       EnvironmentService,
       PlatformUtilsService,
       WINDOW,
       LogService,
-      ConfigService,
     ],
   }),
   safeProvider({

libs/common/src/enums/feature-flag.enum.ts

@@ -49,7 +49,6 @@ export enum FeatureFlag {
   SdkKeyRotation = "pm-30144-sdk-key-rotation",
   LinuxBiometricsV2 = "pm-26340-linux-biometrics-v2",
   NoLogoutOnKdfChange = "pm-23995-no-logout-on-kdf-change",
-  PasskeyUnlock = "pm-2035-passkey-unlock",
   PM27279_V2RegistrationTdeJit = "pm-27279-v2-registration-tde-jit",
   EnableAccountEncryptionV2KeyConnectorRegistration = "enable-account-encryption-v2-key-connector-registration",
   EnableAccountEncryptionV2JitPasswordRegistration = "enable-account-encryption-v2-jit-password-registration",
@@ -189,7 +188,6 @@ export const DefaultFeatureFlagValue = {
   [FeatureFlag.SdkKeyRotation]: FALSE,
   [FeatureFlag.LinuxBiometricsV2]: FALSE,
   [FeatureFlag.NoLogoutOnKdfChange]: FALSE,
-  [FeatureFlag.PasskeyUnlock]: FALSE,
   [FeatureFlag.PM27279_V2RegistrationTdeJit]: FALSE,
   [FeatureFlag.EnableAccountEncryptionV2KeyConnectorRegistration]: FALSE,
   [FeatureFlag.EnableAccountEncryptionV2JitPasswordRegistration]: FALSE,

libs/key-management-ui/src/lock/services/default-webauthn-prf-unlock.service.ts

@@ -7,18 +7,15 @@ import {
 } from "@bitwarden/auth/common";
 import { WebAuthnLoginPrfKeyServiceAbstraction } from "@bitwarden/common/auth/abstractions/webauthn/webauthn-login-prf-key.service.abstraction";
 import { ClientType } from "@bitwarden/common/enums";
-import { FeatureFlag } from "@bitwarden/common/enums/feature-flag.enum";
 import { EncryptService } from "@bitwarden/common/key-management/crypto/abstractions/encrypt.service";
 import { EncString } from "@bitwarden/common/key-management/crypto/models/enc-string";
-import { ConfigService } from "@bitwarden/common/platform/abstractions/config/config.service";
 import { EnvironmentService } from "@bitwarden/common/platform/abstractions/environment.service";
 import { LogService } from "@bitwarden/common/platform/abstractions/log.service";
 import { PlatformUtilsService } from "@bitwarden/common/platform/abstractions/platform-utils.service";
 import { Utils } from "@bitwarden/common/platform/misc/utils";
 import { Fido2Utils } from "@bitwarden/common/platform/services/fido2/fido2-utils";
 import { UserId } from "@bitwarden/common/types/guid";
 import { PrfKey, UserKey } from "@bitwarden/common/types/key";
-import { KeyService } from "@bitwarden/key-management";
 
 import { WebAuthnPrfUnlockService } from "./webauthn-prf-unlock.service";
 
@@ -27,28 +24,18 @@ export class DefaultWebAuthnPrfUnlockService implements WebAuthnPrfUnlockService
 
   constructor(
     private webAuthnLoginPrfKeyService: WebAuthnLoginPrfKeyServiceAbstraction,
-    private keyService: KeyService,
     private userDecryptionOptionsService: UserDecryptionOptionsServiceAbstraction,
     private encryptService: EncryptService,
     private environmentService: EnvironmentService,
     private platformUtilsService: PlatformUtilsService,
     private window: Window,
     private logService: LogService,
-    private configService: ConfigService,
   ) {
     this.navigatorCredentials = this.window.navigator.credentials;
   }
 
   async isPrfUnlockAvailable(userId: UserId): Promise<boolean> {
     try {
-      // Check if feature flag is enabled
-      const passkeyUnlockEnabled = await this.configService.getFeatureFlag(
-        FeatureFlag.PasskeyUnlock,
-      );
-      if (!passkeyUnlockEnabled) {
-        return false;
-      }
-
       // Check if browser supports WebAuthn
       if (!this.navigatorCredentials || !this.navigatorCredentials.get) {
         return false;