fix(cert-manager): use the VipyrSec Support email as the contact email

Also, removed the `.spec.acme.solvers[*].dns01.cloudflare.email`, since,
```bash
kubectl explain --api-version=cert-manager.io/v1 ClusterIssuer.spec.acme.solvers.dns01.cloudflare.email
# Email of the account, only required when using API key based authentication.
```
and we're using API token based authentication.

Author: sid-maddy

kubernetes/manifests/cert-manager/cluster-issuer.yaml

@@ -7,14 +7,13 @@ metadata:
 
 spec:
   acme:
-    email: siddhesh.mhadnak@outlook.com
+    email: support@vipyrsec.com
     server: https://acme-v02.api.letsencrypt.org/directory
     privateKeySecretRef:
       name: letsencrypt-issuer-account-key
     solvers:
       - dns01:
           cloudflare:
-            email: siddhesh.mhadnak@outlook.com
             apiTokenSecretRef:
               name: cloudflare
               key: token