Update components/columns.mdx

Author: mintlify[bot]

components/columns.mdx

@@ -16,8 +16,6 @@ The `Columns` component lets you group multiple `Card` components together. It's
   </Card>
 </Columns>
 
-<RequestExample>
-
 ```mdx Card Group Example
 <Columns cols={2}>
   <Card title="First Card">
@@ -29,8 +27,6 @@ The `Columns` component lets you group multiple `Card` components together. It's
 </Columns>
 ```
 
-</RequestExample>
-
 ### Props
 
 <ResponseField name="cols" default={2}>