fix: remove outdated list of acceptable platforms (#14331)

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## DESCRIBE YOUR PR
The list of accepted values for platform is very outdated. We should
just remove it from over here.

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## EXTRA RESOURCES

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---------

Co-authored-by: Shannon Anahata <[email protected]>

Author: vaind

develop-docs/sdk/data-model/event-payloads/index.mdx

@@ -81,27 +81,7 @@ used by the Sentry interface to customize various components in the interface.
 }
 ```
 
-Acceptable values are:
-
-- `as3`
-- `c`
-- `cfml`
-- `cocoa`
-- `csharp`
-- `elixir`
-- `haskell`
-- `go`
-- `groovy`
-- `java`
-- `javascript`
-- `native`
-- `node`
-- `objc`
-- `other`
-- `perl`
-- `php`
-- `python`
-- `ruby`
+For the full list of acceptable values, consult `platforms.tsx` in [sentry source](https://github.com/getsentry/sentry/blob/master/static/app/data/platforms.tsx).
 
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