Remove dead code

internal/ingress/controller/checker.go

@@ -56,7 +56,7 @@ func (n *NGINXController) Check(_ *http.Request) error {
 		return errors.Wrapf(err, "reading NGINX PID from file %v", nginx.PID)
 	}
 
-	_, err = fs.NewProc(pid)
+	_, err = fs.Proc(pid)
 	if err != nil {
 		return errors.Wrapf(err, "checking for NGINX process with PID %v", pid)
 	}

internal/ingress/controller/store/store.go

@@ -630,9 +630,6 @@ func isCatchAllIngress(spec networkingv1beta1.IngressSpec) bool {
 	return spec.Backend != nil && len(spec.Rules) == 0
 }
 
-// Default path type is Prefix to not break existing definitions
-var defaultPathType = networkingv1beta1.PathTypePrefix
-
 // syncIngress parses ingress annotations converting the value of the
 // annotation to a go struct
 func (s *k8sStore) syncIngress(ing *networkingv1beta1.Ingress) {

internal/ingress/controller/template/template.go

@@ -50,10 +50,9 @@ import (
 )
 
 const (
-	slash                      = "/"
-	nonIdempotent              = "non_idempotent"
-	defBufferSize              = 65535
-	defAuthSigninRedirectParam = "rd"
+	slash         = "/"
+	nonIdempotent = "non_idempotent"
+	defBufferSize = 65535
 )
 
 // TemplateWriter is the interface to render a template