fix: remove callback url from endpoints that doesn't necessarily need it (#362)

docs/content/docs/authentication/email-password.mdx

@@ -41,7 +41,6 @@ To signup a user, you can use the `signUp.email` function provided by the client
 - `password`: The password of the user. It should be at least 8 characters long and max 32 by default.
 - `name`: The name of the user.
 - `image`: The image of the user. (optional)
-- `callbackURL`: The url to redirect to after the user has signed up. (optional)
 
 ```ts title="client.ts"
 const { data, error } = await authClient.signUp.email({
@@ -49,7 +48,6 @@ const { data, error } = await authClient.signUp.email({
   password: "password1234",
   name: "test",
   image: "https://example.com/image.png",
-  callbackURL: "/",
 });
 ```
 
@@ -59,14 +57,13 @@ To signin a user, you can use the `signIn.email` function provided by the client
 
 - `email`: The email address of the user.
 - `password`: The password of the user.
-- `callbackURL`: The url to redirect to after the user has signed in. (optional)
 - `dontRememberMe`: If true, the user will be signed out when the browser is closed. (optional)
+- `callbackURL`: The URL to redirect to after the user signs in. (optional)
 
 ```ts title="client.ts"
 const { data, error } = await authClient.signIn.email({
   email: "test@example.com",
   password: "password1234",
-  callbackURL: "/",
 });
 ```
 
@@ -78,6 +75,18 @@ To signout a user, you can use the `signOut` function provided by the client.
 await client.signOut();
 ```
 
+you can pass `fetchOptions` to redirect onSuccess
+  
+```ts title="client.ts" 
+await client.signOut({
+  fetchOptions: {
+    onSuccess: () => {
+      router.push("/login"); // redirect to login page
+    },
+  },
+});
+```
+
 ### Email Verification
 
 To enable email verification, you need to pass a function that sends a verification email with a link. The `sendVerificationEmail` function takes an object with the following properties: