update-calico-VXLAN-docs (#9639)

docs/calico.md

@@ -207,10 +207,10 @@ calico_healthhost: "0.0.0.0"
 
 ### Optional : Configure VXLAN hardware Offload
 
-Because of the Issue [projectcalico/calico#4727](https://github.com/projectcalico/calico/issues/4727), The VXLAN Offload is disable by default. It can be configured like this:
+The VXLAN Offload is disable by default. It can be configured like this to enabled it:
 
 ```yml
-calico_feature_detect_override: "ChecksumOffloadBroken=true" # The vxlan offload will enabled with kernel version is > 5.7 (It may cause problem on buggy NIC driver)
+calico_feature_detect_override: "ChecksumOffloadBroken=false" # The vxlan offload will enabled (It may cause problem on buggy NIC driver)
 ```
 
 ### Optional : Configure Calico Node probe timeouts

roles/network_plugin/calico/defaults/main.yml

@@ -160,6 +160,5 @@ calico_ipam_maxblocksperhost: 0
 # Calico apiserver (only with kdd)
 calico_apiserver_enabled: false
 
-# Calico feature detect override, set "ChecksumOffloadBroken=true" to
-# solve the https://github.com/projectcalico/calico/issues/3145
+# Calico feature detect override
 calico_feature_detect_override: ""