Update snap-in-configuration.mdx (#84)

removing redundant heading

Author: shashankcube

fern/docs/pages/references/snap-in-configuration.mdx

@@ -1,4 +1,3 @@
-# Customizing snap-in configuration pages
 
 The DevRev snap-ins platform allows developers to define custom configuration pages for their snap-ins. 
 
@@ -208,4 +207,4 @@ If an error occurs, it catches the error and returns an error response with an a
 Note: This endpoint is currently in beta, and its functionality or parameters may change in future updates.
 </Note>
 
-For more details on the snap-kit JSON format and available elements, refer to the [DevRev Snap-kit documentation](/snapin-development/references/snapkit).
+For more details on the snap-kit JSON format and available elements, refer to the [DevRev Snap-kit documentation](/snapin-development/references/snapkit).