fix(go): fix wrong redirect and typo in Go fiber docs (#12627)

Author: lcian

docs/platforms/go/guides/fiber/index.mdx

@@ -3,11 +3,9 @@ title: Fiber
 description: "Learn how to add Sentry instrumentation to programs using the Fiber package."
 ---
 
-package.
-
 The Sentry Go SDK repository has a [complete
 example](https://github.com/getsentry/sentry-go/tree/master/_examples/fiber)
-of how to set up Sentry for a Fiber app. 
+of how to set up Sentry for a Fiber app.
 
 For additional reference, see the [`sentryfiber` API
 documentation](https://godoc.org/github.com/getsentry/sentry-go/fiber).
@@ -20,8 +18,6 @@ go get github.com/getsentry/sentry-go/fiber
 
 <Break />
 
-<SignInNote />
-
 ```go
 import (
 	"fmt"

src/middleware.ts

@@ -3242,10 +3242,6 @@ const USER_DOCS_REDIRECTS: Redirect[] = [
     from: '/accounts/require-2fa/',
     to: '/organization/authentication/two-factor-authentication/',
   },
-  {
-    from: '/platforms/go/guides/fiber/',
-    to: '/platforms/go/',
-  },
   {
     from: '/platforms/go/guides/fiber/user-feedback/configuration/',
     to: '/platforms/go/user-feedback/',