[DOCFIX] Fix error default security type in chinese
[DOCFIX] Fix error default security type in chinese

The default security type in English doc is SIMPLE, but in Chinese is
NOSASL.

The authentication mode. Currently three modes are supported: NOSASL,
SIMPLE, CUSTOM. The default value SIMPLE indicates that a simple
authentication is enabled. Server trusts whoever the client claims to be

The default type is also SIMPLE in code

```
public static final PropertyKey SECURITY_AUTHENTICATION_TYPE =
new Builder(Name.SECURITY_AUTHENTICATION_TYPE)
.setDefaultValue("SIMPLE")
.setDescription("The authentication mode. Currently three modes are
supported: "
+ "NOSASL, SIMPLE, CUSTOM. The default value SIMPLE indicates that a
simple "
+ "authentication is enabled. Server trusts whoever the client claims to
be.")
.setConsistencyCheckLevel(ConsistencyCheckLevel.ENFORCE)
.setScope(Scope.ALL)
.build();
```

pr-link: Alluxio/alluxio#12601
change-id: cid-9d400cb1380f6abec2e40df44dadc52c89c3cfe9
bf8086/alluxio,calvinjia/tachyon,Alluxio/alluxio,wwjiang007/alluxio,wwjiang007/alluxio,maobaolong/alluxio,wwjiang007/alluxio,Alluxio/alluxio,Alluxio/alluxio,calvinjia/tachyon,Alluxio/alluxio,Alluxio/alluxio,wwjiang007/alluxio,bf8086/alluxio,bf8086/alluxio,Alluxio/alluxio,Alluxio/alluxio,maobaolong/alluxio,maobaolong/alluxio,maobaolong/alluxio,bf8086/alluxio,calvinjia/tachyon,maobaolong/alluxio,wwjiang007/alluxio,wwjiang007/alluxio,Alluxio/alluxio,calvinjia/tachyon,calvinjia/tachyon,maobaolong/alluxio,bf8086/alluxio,calvinjia/tachyon,maobaolong/alluxio,bf8086/alluxio,calvinjia/tachyon,wwjiang007/alluxio,maobaolong/alluxio,calvinjia/tachyon,wwjiang007/alluxio,bf8086/alluxio,Alluxio/alluxio,wwjiang007/alluxio,Alluxio/alluxio,maobaolong/alluxio,wwjiang007/alluxio,maobaolong/alluxio,bf8086/alluxio