Remove hosting link provider from Element (#10270)

* Remove hosting link provider from Element

* fix whitespace

src/IConfigOptions.ts

@@ -148,19 +148,6 @@ export interface IConfigOptions {
     analytics_owner?: string; // defaults to `brand`
     privacy_policy_url?: string; // location for cookie policy
 
-    // Server hosting upsell options
-    hosting_signup_link?: string; // slightly different from `host_signup`
-    host_signup?: {
-        brand?: string; // acts as the enabled flag too (truthy == show)
-
-        // Required-ness denotes when `brand` is truthy
-        cookie_policy_url: string;
-        privacy_policy_url: string;
-        terms_of_service_url: string;
-        url: string;
-        domains?: string[];
-    };
-
     enable_presence_by_hs_url?: Record<string, boolean>; // <HomeserverName, Enabled>
 
     terms_and_conditions_links?: { url: string; text: string }[];