remove deprecated context key

ocis-pkg/middleware/account.go

@@ -1,7 +1,6 @@
 package middleware
 
 import (
-	"context"
 	"encoding/json"
 	"net/http"
 
@@ -30,10 +29,6 @@ const AccountID string = "Account-Id"
 // RoleIDs serves as key for the roles in the context
 const RoleIDs string = "Role-Ids"
 
-// UUIDKey serves as key for the account uuid in the context
-// Deprecated: UUIDKey exists for compatibility reasons. Use AccountID instead.
-var UUIDKey struct{}
-
 // ExtractAccountUUID provides a middleware to extract the account uuid from the x-access-token header value
 // and write it to the context. If there is no x-access-token the middleware is omitted.
 func ExtractAccountUUID(opts ...account.Option) func(http.Handler) http.Handler {
@@ -70,7 +65,6 @@ func ExtractAccountUUID(opts ...account.Option) func(http.Handler) http.Handler
 
 			// Important: user.Id.OpaqueId is the AccountUUID. Set this way in the account uuid middleware in ocis-proxy.
 			// https://github.com/owncloud/ocis-proxy/blob/ea254d6036592cf9469d757d1295e0c4309d1e63/pkg/middleware/account_uuid.go#L109
-			ctx = context.WithValue(ctx, UUIDKey, u.Id.OpaqueId)
 			// TODO: implement token manager in cs3org/reva that uses generic metadata instead of access token from header.
 			ctx = metadata.Set(ctx, AccountID, u.Id.OpaqueId)
 			if u.Opaque != nil {