Remove unused future-flag utilities / types.

Author: onurtemizkan

.github/workflows/build.yml

@@ -685,7 +685,7 @@ jobs:
           yarn test
 
   job_remix_integration_tests:
-    name: Remix (Node ${{ matrix.node }}) Tests
+    name: Remix v${{ matrix.remix }} (Node ${{ matrix.node }}) Tests
     needs: [job_get_metadata, job_build]
     if: needs.job_get_metadata.outputs.changed_remix == 'true' || github.event_name != 'pull_request'
     runs-on: ubuntu-20.04

packages/remix/src/utils/futureFlags.ts

@@ -14,34 +14,6 @@ import type * as Express from 'express';
 import type { Agent } from 'https';
 import type { ComponentType } from 'react';
 
-type Dev = {
-  command?: string;
-  scheme?: string;
-  host?: string;
-  port?: number;
-  restart?: boolean;
-  tlsKey?: string;
-  tlsCert?: string;
-};
-
-export interface FutureConfig {
-  unstable_dev: boolean | Dev;
-  /** @deprecated Use the `postcss` config option instead */
-  unstable_postcss: boolean;
-  /** @deprecated Use the `tailwind` config option instead */
-  unstable_tailwind: boolean;
-  v2_errorBoundary: boolean;
-  v2_headers: boolean;
-  v2_meta: boolean;
-  v2_normalizeFormMethod: boolean;
-  v2_routeConvention: boolean;
-}
-
-export interface RemixConfig {
-  [key: string]: any;
-  future: FutureConfig;
-}
-
 export type RemixRequestState = {
   method: string;
   redirect: RequestRedirect;
@@ -161,7 +133,6 @@ export interface ServerBuild {
   assets: AssetsManifest;
   publicPath?: string;
   assetsBuildDirectory?: string;
-  future?: FutureConfig;
 }
 
 export interface HandleDocumentRequestFunction {