Link support buttons to CrowdRepublic campaign and add VK.

Pricing buy buttons open the live crowdfunding page; hero and footer get VK links; remove unused modal.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/main.tsx

@@ -3,7 +3,6 @@ import { createRoot } from "react-dom/client";
 
 import { App } from "./App";
 import { LocaleProvider } from "./i18n/LocaleProvider";
-import { CrowdfundingModalProvider } from "./providers/CrowdfundingModalProvider";
 import { EulaModalProvider } from "./providers/EulaModalProvider";
 import { ExchangeRateProvider } from "./providers/ExchangeRateProvider";
 import "./styles/global.css";
@@ -17,11 +16,9 @@ createRoot(rootEl).render(
   <StrictMode>
     <LocaleProvider>
       <ExchangeRateProvider>
-        <CrowdfundingModalProvider>
-          <EulaModalProvider>
-            <App />
-          </EulaModalProvider>
-        </CrowdfundingModalProvider>
+        <EulaModalProvider>
+          <App />
+        </EulaModalProvider>
       </ExchangeRateProvider>
     </LocaleProvider>
   </StrictMode>,