removeServerName should delete the router

src/App.h

@@ -112,6 +112,12 @@ public:
     }
 
     TemplatedApp &&removeServerName(std::string hostname_pattern) {
+    
+        /* This will do for now, would be better if us_socket_context_remove_server_name returned the user data */
+        auto *domainRouter = us_socket_context_find_server_name_userdata(SSL, (struct us_socket_context_t *) httpContext, hostname_pattern.c_str());
+        if (domainRouter) {
+            delete domainRouter;
+        }
 
         us_socket_context_remove_server_name(SSL, (struct us_socket_context_t *) httpContext, hostname_pattern.c_str());
         return std::move(*this);