fix: cleanup go.mod

Author: bahkauv70

examples/serviceenablement/go.mod

@@ -2,13 +2,11 @@ module github.com/stackitcloud/stackit-sdk-go/examples/serviceenablement
 
 go 1.21
 
-require (
-	github.com/stackitcloud/stackit-sdk-go/core v0.16.0
-	github.com/stackitcloud/stackit-sdk-go/services/serviceenablement v0.5.0
-)
+require github.com/stackitcloud/stackit-sdk-go/services/serviceenablement v0.5.0
 
 require (
 	github.com/golang-jwt/jwt/v5 v5.2.1 // indirect
 	github.com/google/go-cmp v0.7.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
+	github.com/stackitcloud/stackit-sdk-go/core v0.16.0 // indirect
 )