[Go] Slim down SDK installation step (#11362)

platform-includes/getting-started-install/go.mdx

@@ -1,15 +1,7 @@
-When using Go Modules, you do not need to install anything to start using Sentry with your Go program. Import the SDK and the `go` tool will automatically download the latest version of the SDK when you next build your program.
-
-```go
-import (
-	"github.com/getsentry/sentry-go"
-)
-```
-
-With or without Go Modules, to use the latest version of the SDK, run:
+Install our Go SDK using `go get`:
 
 ```shell
 go get github.com/getsentry/sentry-go
 ```
 
-Consult the [Go documentation on Modules](https://github.com/golang/go/wiki/Modules#how-to-upgrade-and-downgrade-dependencies) for more information on how to manage dependencies.
+Consult the [Go documentation](https://github.com/golang/go/wiki/Modules#how-to-upgrade-and-downgrade-dependencies) for more information on how to manage your dependencies.