fix: removes createOrg from the reference site because it is no longer in use

Author: Arobce

src/content/docs/developer-tools/sdks/frontend/react-sdk.mdx

@@ -623,29 +623,6 @@ Default: `openid profile email offline`
 
 ## **API References- useKindeAuth hook**
 
-### **`createOrg`**
-
-Constructs redirect url and sends user to Kinde to sign up and create a new org for your business.
-
-Usage:
-
-Arguments:
-
-```typescript
-orgName?: string;
-state?: object;
-```
-
-```jsx
-createOrg();
-```
-
-Sample:
-
-```jsx
-redirect;
-```
-
 ### `getClaim`
 
 Gets a claim from an access or ID token.