Remove bedag usage from cert-manager.

+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - root-ca.yaml

+apiVersion: v1
+kind: Secret
+metadata:
+  name: root-ca
+  namespace: cert-manager
+data:
+---

@@ -10,5 +10,4 @@ clusterIssuer:
 root-ca:
   crt: null
   key: null
-version:
-  raw: 1.1.0
+version: {}

@@ -4,32 +4,29 @@ bases:
 repositories:
   - name: jetstack
     url: https://charts.jetstack.io
-  - name: bedag
-    url: https://bedag.github.io/helm-charts/
 
 ---
 releases:
+  - name: root-ca
+    chart: charts/root-ca
+    namespace: cert-manager
+    strategicMergePatches:
+      - apiVersion: v1
+        kind: Secret
+        metadata:
+          name: root-ca
+          namespace: cert-manager
+        data:
+          tls.crt: {{ .Values | get "root-ca.crt" }}
+          tls.key: {{ .Values | get "root-ca.key" }}
+          ca.crt: {{ .Values | get "root-ca.crt" }}
+          ca.key: {{ .Values | get "root-ca.key" }}
+
   - name: cert-manager
     chart: jetstack/cert-manager
     namespace: cert-manager
-    dependencies:
-      - chart: bedag/raw
-        alias: root-ca
-        version: {{ $.Values.version.raw }}
     values:
       - installCRDs: true
-      - root-ca:
-          resources:
-            - apiVersion: v1
-              kind: Secret
-              metadata:
-                name: root-ca
-                namespace: cert-manager
-              data:
-                tls.crt: {{ .Values | get "root-ca.crt" }}
-                tls.key: {{ .Values | get "root-ca.key" }}
-                ca.crt: {{ .Values | get "root-ca.crt" }}
-                ca.key: {{ .Values | get "root-ca.key" }}
 
   - name: cluster-issuer
     chart: charts/cluster-issuer