Remove checkStringQuoteValidity in loadIngressRouteConf

* remove checkStringQuoteValidity in loadIngressRouteConf

* remove checkStringQuoteValidity and related tests in crd

* remove checkStringQuoteValidity from ingress and related tests

Co-authored-by: traefiker <30906710+traefiker@users.noreply.github.com>

pkg/provider/kubernetes/ingress/fixtures/Ingress-with-a-bad-host-syntax_ingress.yml

@@ -1,22 +0,0 @@
-kind: Ingress
-apiVersion: networking.k8s.io/v1beta1
-metadata:
-  name: ""
-  namespace: testing
-
-spec:
-  rules:
-  - host: traefik.tchouk"0"
-    http:
-      paths:
-      - path: /foo
-        backend:
-          serviceName: service1
-          servicePort: 80
-  - host: traefik.courgette
-    http:
-      paths:
-      - path: /carotte
-        backend:
-          serviceName: service1
-          servicePort: 80

pkg/provider/kubernetes/ingress/fixtures/Ingress-with-a-bad-path-syntax_ingress.yml

@@ -1,23 +0,0 @@
-kind: Ingress
-apiVersion: networking.k8s.io/v1beta1
-metadata:
-  name: ""
-  namespace: testing
-
-spec:
-  rules:
-  - host: ""
-    http:
-      paths:
-      - path: /foo
-        backend:
-          serviceName: service1
-          servicePort: 80
-      - path: /bar-"0"
-        backend:
-          serviceName: service1
-          servicePort: 80
-      - path: /bar
-        backend:
-          serviceName: service1
-          servicePort: 80

pkg/provider/kubernetes/ingress/fixtures/Ingress-with-only-a-bad-host-syntax_ingress.yml

@@ -1,15 +0,0 @@
-kind: Ingress
-apiVersion: networking.k8s.io/v1beta1
-metadata:
-  name: ""
-  namespace: testing
-
-spec:
-  rules:
-  - host: traefik.tchouk"0"
-    http:
-      paths:
-      - path: /foo
-        backend:
-          serviceName: service1
-          servicePort: 80

pkg/provider/kubernetes/ingress/fixtures/Ingress-with-only-a-bad-path-syntax_ingress.yml

@@ -1,14 +0,0 @@
-kind: Ingress
-apiVersion: networking.k8s.io/v1beta1
-metadata:
-  name: ""
-  namespace: testing
-
-spec:
-  rules:
-    - http:
-        paths:
-          - path: /bar-"0"
-            backend:
-              serviceName: service1
-              servicePort: 80