Removing un-necessary log statement.

packages/backend-core/src/features/features.ts

@@ -147,9 +147,7 @@ export class FlagSet<T extends { [name: string]: boolean }> {
 
         for (const [name, value] of Object.entries(posthogFlags)) {
           if (!this.isFlagName(name)) {
-            // We don't want an unexpected PostHog flag to break the app, so we
-            // just log it and continue.
-            console.warn(`Unexpected posthog flag "${name}": ${value}`)
+            // We don't want an unexpected PostHog flag to break the app
             continue
           }