Remove attach_stacktrace (#12010)

This options is not present in the SDK

Author: rodolfoBee

docs/platforms/native/common/configuration/options.mdx

@@ -63,16 +63,6 @@ This variable controls the total amount of breadcrumbs that should be captured.
 
 </ConfigKey>
 
-<ConfigKey name="attach-stacktrace">
-
-When enabled, stack traces are automatically attached to all messages logged. Stack traces are always attached to exceptions; however, when this option is set, stack traces are also sent with messages. This option, for instance, means that stack traces appear next to all log messages.
-
-This option is turned off by default.
-
-Grouping in Sentry is different for events with stack traces and without. As a result, you will get new groups as you enable or disable this flag for certain events.
-
-</ConfigKey>
-
 ## Hooks
 
 These options can be used to hook the SDK in various ways to customize the reporting of events.