Remove unused method (#5821)

libs/common/src/platform/abstractions/environment.service.ts

@@ -65,9 +65,4 @@ export abstract class EnvironmentService {
   getUrls: () => Urls;
   isCloud: () => boolean;
   isEmpty: () => boolean;
-  /**
-   * @remarks For desktop and browser use only.
-   * For web, use PlatformUtilsService.isSelfHost()
-   */
-  isSelfHosted: () => boolean;
 }

libs/common/src/platform/services/environment.service.ts

@@ -338,15 +338,4 @@ export class EnvironmentService implements EnvironmentServiceAbstraction {
       "https://vault.bitwarden.eu/api",
     ].includes(this.getApiUrl());
   }
-
-  isSelfHosted(): boolean {
-    return ![
-      "http://vault.bitwarden.com",
-      "https://vault.bitwarden.com",
-      "http://vault.bitwarden.eu",
-      "https://vault.bitwarden.eu",
-      "http://vault.qa.bitwarden.pw",
-      "https://vault.qa.bitwarden.pw",
-    ].includes(this.getWebVaultUrl());
-  }
 }