(core) Remove a defunct URL constant and a product flavor.

Summary:
The URL /create-team-site on marketing site is unused, and no longer pointing to
anything functional.

The "efcr" product flavor has been defunct for a long time. Remove
references to it.

Test Plan: No tests should be affected

Reviewers: JakubSerafin

Reviewed By: JakubSerafin

Subscribers: JakubSerafin

Differential Revision: https://phab.getgrist.com/D3890

app/client/ui/CustomThemes.ts

@@ -1,7 +1,7 @@
 import {GristLoadConfig} from 'app/common/gristUrls';
 import {styled} from 'grainjs';
 
-export type ProductFlavor = 'grist' | 'efcr' | 'fieldlink';
+export type ProductFlavor = 'grist' | 'fieldlink';
 
 export interface CustomTheme {
   bodyClassName?: string;
@@ -20,8 +20,6 @@ export function getFlavor(org?: string): ProductFlavor {
   }
   if (org === 'fieldlink') {
     return 'fieldlink';
-  } else if (org && /^nioxus(-.*)?$/.test(org)) {
-    return 'efcr';
   }
   return 'grist';
 }
@@ -33,25 +31,11 @@ export function getTheme(flavor: ProductFlavor): CustomTheme {
         wideLogo: true,
         bodyClassName: cssFieldLinkBody.className,
       };
-    case 'efcr':
-      return {bodyClassName: cssEfcrBody.className};
     default:
       return {};
   }
 }
 
-const cssEfcrBody = styled('body', `
-  --icon-GristLogo: url("icons/logo-efcr.png");
-  --grist-logo-bg: #009975;
-  --grist-color-light-green: #009975;
-  --grist-color-dark-green: #007F61;
-  --grist-primary-fg: #009975;
-  --grist-primary-fg-hover: #007F61;
-  --grist-control-fg: #009975;
-  --grist-color-darker-green: #004C38;
-  --grist-color-dark-bg: #004C38;
-`);
-
 const cssFieldLinkBody = styled('body', `
   --icon-GristLogo: url("icons/logo-fieldlink.png");
   --icon-GristWideLogo: url("icons/logo-fieldlink.png");

app/common/gristUrls.ts

@@ -72,12 +72,9 @@ export const commonUrls = {
   helpTryingOutChanges: "https://support.getgrist.com/copying-docs/#trying-out-changes",
   helpCustomWidgets: "https://support.getgrist.com/widget-custom",
   plans: "https://www.getgrist.com/pricing",
-  createTeamSite: "https://www.getgrist.com/create-team-site",
   sproutsProgram: "https://www.getgrist.com/sprouts-program",
   contact: "https://www.getgrist.com/contact",
 
-  efcrConnect: 'https://efc-r.com/connect',
-  efcrHelp: 'https://www.nioxus.info/eFCR-Help',
   basicTutorial: 'https://templates.getgrist.com/woXtXUBmiN5T/Grist-Basics',
   basicTutorialImage: 'https://www.getgrist.com/wp-content/uploads/2021/08/lightweight-crm.png',
   gristLabsCustomWidgets: 'https://gristlabs.github.io/grist-widget/',

app/server/lib/FlexServer.ts

@@ -1338,7 +1338,6 @@ export class FlexServer implements GristServer {
 
   public addNotifier() {
     if (this._check('notifier', 'start', 'homedb')) { return; }
-    // TODO: Disable notifications for Nioxus orgs, until they are ready to deal with them.
     // TODO: make Notifier aware of base domains, rather than sending emails with default
     // base domain.
     // Most notifications are ultimately triggered by requests with a base domain in them,