feat: Deprecate embedded browser and import console (#12460)

This feature also changes the default port where
the browser is running, now the port has moved
to 9001 and it can be configured with

```
--console-address ":9001"
```

cmd/routers.go

@@ -51,8 +51,6 @@ var globalHandlers = []mux.MiddlewareFunc{
 	setAuthHandler,
 	// Validates all incoming requests to have a valid date header.
 	setTimeValidityHandler,
-	// Adds cache control for all browser requests.
-	setBrowserCacheControlHandler,
 	// Validates if incoming request is for restricted buckets.
 	setReservedBucketHandler,
 	// Redirect some pre-defined browser request paths to a static location prefix.
@@ -91,13 +89,6 @@ func configureServerHandler(endpointServerPools EndpointServerPools) (http.Handl
 		registerDistErasureRouters(router, endpointServerPools)
 	}
 
-	// Register web router when its enabled.
-	if globalBrowserEnabled {
-		if err := registerWebRouter(router); err != nil {
-			return nil, err
-		}
-	}
-
 	// Add Admin router, all APIs are enabled in server mode.
 	registerAdminRouter(router, true, true)