Update sample to use new sysinfo lib, resourcetuner moved into worker

lib

Author: yuandrew

docs/develop/worker-performance.mdx

@@ -448,12 +448,16 @@ These examples focus on Activities and Local Activities, since Workflow Tasks no
 ### Go SDK
 
 ```go
-import "go.temporal.io/sdk/contrib/resourcetuner"
+import (
+    "go.temporal.io/sdk/contrib/sysinfo"
+    "go.temporal.io/sdk/worker"
+)
 
 // Using the ResourceBasedTuner in worker options
-tuner, err := resourcetuner.NewResourceBasedTuner(resourcetuner.ResourceBasedTunerOptions{
-    TargetMem: 0.8,
-    TargetCpu: 0.9,
+tuner, err := worker.NewResourceBasedTuner(worker.ResourceBasedTunerOptions{
+    TargetMem:    0.8,
+    TargetCpu:    0.9,
+    InfoSupplier: sysinfo.SysInfoProvider(),
 })
 if err != nil {
   return err
@@ -463,17 +467,18 @@ workerOptions := worker.Options{
 }
 
 // Customize the tuner
-options := resourcetuner.DefaultResourceControllerOptions()
+options := worker.DefaultResourceControllerOptions()
 options.MemTargetPercent = 0.8
 options.CpuTargetPercent = 0.9
-controller := resourcetuner.NewResourceController(options)
+options.InfoSupplier = sysinfo.SysInfoProvider()
+controller := worker.NewResourceController(options)
 wfSS, err := worker.NewFixedSizeSlotSupplier(10)
 if err != nil {
   return err
 }
 
-actSS, err := resourcetuner.NewResourceBasedSlotSupplier(controller, resourcetuner.DefaultActivityResourceBasedSlotSupplierOptions())
-laSS, err := resourcetuner.NewResourceBasedSlotSupplier(controller, resourcetuner.DefaultActivityResourceBasedSlotSupplierOptions())
+actSS, err := worker.NewResourceBasedSlotSupplier(controller, worker.DefaultActivityResourceBasedSlotSupplierOptions())
+laSS, err := worker.NewResourceBasedSlotSupplier(controller, worker.DefaultActivityResourceBasedSlotSupplierOptions())
 nexusSS, err := worker.NewFixedSizeSlotSupplier(10)
 if err != nil {
   return err