fix: fix tests and lintings

stackit/internal/wait/sqlserverflexalpha/wait.go

@@ -244,7 +244,6 @@ func DeleteInstanceWaitHandler(
 			return true, nil, nil
 		},
 	)
-	handler.SetTimeout(30 * time.Minute)
 	return handler
 }
 
@@ -386,7 +385,5 @@ func DeleteUserWaitHandler(
 			}
 		},
 	)
-	handler.SetTimeout(15 * time.Minute)
-	handler.SetSleepBeforeWait(15 * time.Second)
 	return handler
 }