[#39] ir: Do not store config keys in httpComponent

Pprof will have specific options, it seems wrong to have them in a
generic struct.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

cmd/frostfs-ir/pprof.go

@@ -4,18 +4,9 @@ import (
 	httputil "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/http"
 )
 
-const (
-	pprofEnabledKey         = "pprof.enabled"
-	pprofAddressKey         = "pprof.address"
-	pprofShutdownTimeoutKey = "pprof.shutdown_timeout"
-)
-
 func newPprofComponent() *httpComponent {
 	return &httpComponent{
-		name:               "pprof",
-		enabledKey:         pprofEnabledKey,
-		addressKey:         pprofAddressKey,
-		shutdownTimeoutKey: pprofShutdownTimeoutKey,
-		handler:            httputil.Handler(),
+		name:    "pprof",
+		handler: httputil.Handler(),
 	}
 }