website/docs: we don't need to use markdown for this, as it's not exactly a patch or sh file. (#1298)

```
# KernelSU 
CONFIG_KSU=y
```

---------

Signed-off-by: 明 <akariondev@gmail.com>
Signed-off-by: akari <akariondev@gmail.com>
Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: weishu <twsxtd@gmail.com>

website/docs/guide/how-to-integrate-for-non-gki.md

@@ -64,9 +64,9 @@ curl -LSs "https://raw.githubusercontent.com/tiann/KernelSU/main/kernel/setup.sh
 
 Keep in mind that on some devices, your defconfig may be in `arch/arm64/configs` or in other cases `arch/arm64/configs/vendor/your_defconfig`. For example in your defconfig, Enable `CONFIG_KSU` with y to enable, or n to disable. Your path will be something like:
 `arch/arm64/configs/...` 
-```sh
-+# KernelSU
-+CONFIG_KSU=y
+```
+# KernelSU
+CONFIG_KSU=y
 ```
 
 Then, add KernelSU calls to the kernel source, here are some patches to refer: