[chore][internal/otelarrow] Remove last MetricsLevel reference (#37648)

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#### Description

Updates open-telemetry/opentelemetry-collector/issues/11061

Author: mx-psi

internal/otelarrow/netstats/netstats_test.go

@@ -307,7 +307,6 @@ func testNetStatsReceiver(t *testing.T, level configtelemetry.Level, expect map[
 				ID: component.NewID(component.MustNewType("test")),
 				TelemetrySettings: component.TelemetrySettings{
 					MeterProvider: mp,
-					MetricsLevel:  level,
 				},
 			})
 			require.NoError(t, err)