Update kubevirt_install.md

Author: spiritLHLS

docs/en/guide/kubevirt/kubevirt_install.md

@@ -16,18 +16,10 @@ Unit conversion: entering 1024 creates 1GB of SWAP virtual memory. Virtual memor
 
 It is recommended to create swap no larger than twice the actual memory size.
 
-International
-
 ```shell
 curl -L https://raw.githubusercontent.com/spiritLHLS/addswap/main/addswap.sh -o addswap.sh && chmod +x addswap.sh && bash addswap.sh
 ```
 
-China
-
-```shell
-curl -L https://cdn.spiritlhl.net/https://raw.githubusercontent.com/spiritLHLS/addswap/main/addswap.sh -o addswap.sh && chmod +x addswap.sh && bash addswap.sh
-```
-
 ## Environment Installation
 
 - Supported OS: Debian 11+, Ubuntu 20.04+
@@ -37,18 +29,10 @@ curl -L https://cdn.spiritlhl.net/https://raw.githubusercontent.com/spiritLHLS/a
 - Automatically detects public IPv6 address and configures IPv6 network (if present)
 - Supports x86_64 and ARM64 architecture servers
 
-International
-
 ```shell
 bash <(wget -qO- https://raw.githubusercontent.com/oneclickvirt/kubevirt/main/kubevirtinstall.sh)
 ```
 
-China
-
-```shell
-bash <(wget -qO- https://cdn.spiritlhl.net/https://raw.githubusercontent.com/oneclickvirt/kubevirt/main/kubevirtinstall.sh)
-```
-
 :::tip
 After installation, it is recommended to run `kubectl get pods -n kubevirt` to verify that the KubeVirt environment is working correctly. All Pods should be in `Running` state.
 :::
@@ -61,18 +45,10 @@ The k3s + KubeVirt installation takes some time (usually 5–15 minutes). Please
 
 One-click uninstall of the complete environment, including all virtual machines, k3s, KubeVirt, and auxiliary files:
 
-International
-
 ```shell
 bash <(wget -qO- https://raw.githubusercontent.com/oneclickvirt/kubevirt/main/scripts/kubevirtuninstall.sh)
 ```
 
-China
-
-```shell
-bash <(wget -qO- https://cdn.spiritlhl.net/https://raw.githubusercontent.com/oneclickvirt/kubevirt/main/scripts/kubevirtuninstall.sh)
-```
-
 :::warning
 The script will require you to enter `yes` to confirm before execution. This operation is irreversible. Content deleted includes all virtual machines, images, k3s and all KubeVirt components.
 Reset procedure: run uninstall first, then run install again to verify the entire installation process from scratch.