Don't export middleware from packages

We are going to tweak registerServer until there is no reason to prefer a
non-ApolloServer-associated middleware function over using it.

packages/apollo-server-cloudflare/src/index.ts

@@ -1,3 +1,2 @@
-export { graphqlCloudflare } from './cloudflareApollo';
 export { ApolloServer } from './ApolloServer';
 export { gql } from 'apollo-server-core';

packages/apollo-server-express/src/index.ts

@@ -10,16 +10,6 @@ export {
   ForbiddenError,
 } from 'apollo-server-core';
 
-// Express Middleware
-export {
-  ExpressGraphQLOptionsFunction,
-  ExpressHandler,
-  graphqlExpress,
-} from './expressApollo';
-
-// Connect Middleware
-export { graphqlConnect } from './connectApollo';
-
 // ApolloServer integration
 export {
   ApolloServer,

packages/apollo-server-hapi/src/ApolloServer.ts

@@ -39,14 +39,6 @@ export interface ServerRegistration {
   uploads?: boolean | Record<string, any>;
 }
 
-export interface HapiListenOptions {
-  port?: number | string;
-  host?: string; // default: ''
-  pipePath?: string;
-  graphqlPaths?: string[]; // default: ['/graphql']
-  innerHost?: string; // default: '127.0.0.1'. This is where Node listens.
-}
-
 const handleFileUploads = (uploadsConfig: Record<string, any>) => async (
   request: hapi.Request,
 ) => {

packages/apollo-server-hapi/src/index.ts

@@ -9,12 +9,9 @@ export {
   ForbiddenError,
 } from 'apollo-server-core';
 
-export {
-  IRegister,
-  HapiOptionsFunction,
-  HapiPluginOptions,
-  graphqlHapi,
-} from './hapiApollo';
-
 // ApolloServer integration
-export { ApolloServer, registerServer } from './ApolloServer';
+export {
+  ApolloServer,
+  registerServer,
+  ServerRegistration,
+} from './ApolloServer';