Remove deprecated public Stripe key

apps/client/src/environments/environment.prod.ts

@@ -2,6 +2,5 @@ import type { GfEnvironment } from '@ghostfolio/ui/environment';
 
 export const environment: GfEnvironment = {
   lastPublish: '{BUILD_TIMESTAMP}',
-  production: true,
+  production: true
-  stripePublicKey: ''
 };

apps/client/src/environments/environment.ts

@@ -6,8 +6,7 @@ import type { GfEnvironment } from '@ghostfolio/ui/environment';
 
 export const environment: GfEnvironment = {
   lastPublish: null,
-  production: false,
+  production: false
-  stripePublicKey: ''
 };
 
 /*