eventstreamapi: fixup golint function docstring (#4290)

Fixes docstring for new ApplyHTTPTransportFixes function added to eventstreampapi package.

private/protocol/eventstream/eventstreamapi/transport.go

@@ -5,6 +5,6 @@ package eventstreamapi
 
 import "github.com/aws/aws-sdk-go/aws/request"
 
-// This is a no-op for Go 1.18 and above.
+// ApplyHTTPTransportFixes is a no-op for Go 1.18 and above.
 func ApplyHTTPTransportFixes(r *request.Request) {
 }