Fix memory leak: Remove signal.Notify code from plugins/inputs/win_perf_counters.(*Win_PerfCounters).Gather

plugins/inputs/win_perf_counters/win_perf_counters.go

@@ -6,12 +6,8 @@ import (
 	"errors"
 	"fmt"
 	"strings"
-	"syscall"
 	"unsafe"
 
-	"os"
-	"os/signal"
-
 	"github.com/influxdata/telegraf"
 	"github.com/influxdata/telegraf/plugins/inputs"
 	"github.com/lxn/win"
@@ -253,16 +249,6 @@ func (m *Win_PerfCounters) Gather(acc telegraf.Accumulator) error {
 		}
 	}
 
-	// When interrupt or terminate is called.
-	c := make(chan os.Signal, 1)
-	signal.Notify(c, os.Interrupt)
-	signal.Notify(c, syscall.SIGTERM)
-	go func() error {
-		<-c
-		m.Cleanup(&metrics)
-		return nil
-	}()
-
 	var bufSize uint32
 	var bufCount uint32
 	var size uint32 = uint32(unsafe.Sizeof(win.PDH_FMT_COUNTERVALUE_ITEM_DOUBLE{}))