Niloofar/Fix signup redirection (#17282)

* fix: signup redirection

* fix: review comment

packages/core/src/App/Components/Layout/Header/signup-button.jsx

@@ -1,55 +1,19 @@
-import React, { useEffect, useState } from 'react';
+import React from 'react';
 import PropTypes from 'prop-types';
 import { Button } from '@deriv/components';
-import { redirectToSignUp, mobileOSDetectAsync, isSafari } from '@deriv/shared';
+import { redirectToSignUp } from '@deriv/shared';
 import { localize } from '@deriv/translations';
-import { useGrowthbookGetFeatureValue } from '@deriv/hooks';
 
-const SignupButton = ({ className }) => {
-    const [redirect_to_os_signup, setRedirectToOSSignup] = useState(false);
-    const [trigger_os_signup, isGBLoaded] = useGrowthbookGetFeatureValue({
-        featureFlag: 'trigger_os_signup',
-        defaultValue: false,
-    });
-
-    useEffect(() => {
-        if (isGBLoaded) {
-            setRedirectToOSSignup(trigger_os_signup);
-        }
-    }, [isGBLoaded, trigger_os_signup]);
-
-    const handleOutSystemsRedirection = () => {
-        switch (process.env.NODE_ENV) {
-            case 'production':
-                return 'https://hub.deriv.com/tradershub/signup';
-            case 'staging':
-                return 'https://staging-hub.deriv.com/tradershub/signup';
-            default:
-                return 'https://dev-hub.deriv.com/tradershub/signup';
-        }
-    };
-
-    const handleSignup = async () => {
-        const os = await mobileOSDetectAsync();
-
-        if (redirect_to_os_signup) {
-            if (os === 'iOS' || isSafari()) {
-                redirectToSignUp();
-            } else window.open(handleOutSystemsRedirection());
-        } else redirectToSignUp();
-    };
-
-    return (
-        <Button
-            id='dt_signup_button'
-            className={className}
-            has_effect
-            text={localize('Sign up')}
-            onClick={handleSignup}
-            primary
-        />
-    );
-};
+const SignupButton = ({ className }) => (
+    <Button
+        id='dt_signup_button'
+        className={className}
+        has_effect
+        text={localize('Sign up')}
+        onClick={redirectToSignUp}
+        primary
+    />
+);
 
 SignupButton.propTypes = {
     className: PropTypes.string,