Fix lint task in CI

The lint task was failing at head, due to a nolint:exhaustive error
directive that golangci nolintlint believes is unused.

Issue seems to be golangci/golangci-lint#3228
and seems to be a bug in golang-ci / nolintlint.

Author: justinsb

api/internal/builtins/HelmChartInflationGenerator.go

@@ -131,7 +131,6 @@ func (lbp *localizeBuiltinPlugins) localizeAll(node *yaml.RNode) error {
 	// We rely on the build command to throw errors for nodes in
 	// built-in plugins that are sequences when expected to be scalar,
 	// and vice versa.
-	//nolint: exhaustive
 	switch node.YNode().Kind {
 	case yaml.SequenceNode:
 		return errors.Wrap(node.VisitElements(lbp.localizeScalar))