Update cluster_handlers.go (#24238)

Remove unnecessary debug statements as a fix for MM-24226

Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/app/platform/cluster_handlers.go

@@ -7,7 +7,6 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"runtime/debug"
 
 	"github.com/mattermost/mattermost/server/public/model"
 	"github.com/mattermost/mattermost/server/public/shared/mlog"
@@ -159,7 +158,6 @@ func (ps *PlatformService) InvalidateAllCachesSkipSend() {
 }
 
 func (ps *PlatformService) InvalidateAllCaches() *model.AppError {
-	debug.FreeOSMemory()
 	ps.InvalidateAllCachesSkipSend()
 
 	if ps.clusterIFace != nil {