Change from some-user to user to reflect the hash value computed

Changing to be consistent with the hash value computed.

```
echo "/home/user/src/my-project" | md5sum
7ffd56a6e4cb724ea575aba15733d113  -
```

Closes bazelbuild#16847.

PiperOrigin-RevId: 493175136
Change-Id: I4e0b6968272a77572e51016ba5a0ae121ea1c710

site/en/remote/output-directories.md

@@ -80,7 +80,7 @@ The directories are laid out as follows:
                                               the bazel executable on first run (such as helper scripts and the
                                               main Java file BazelServer_deploy.jar)
     7ffd56a6e4cb724ea575aba15733d113/     <== Hash of the client's workspace directory (such as
-                                              /home/some-user/src/my-project): outputBase
+                                              /home/user/src/my-project): outputBase
       action_cache/                       <== Action cache directory hierarchy
                                               This contains the persistent record of the file
                                               metadata (timestamps, and perhaps eventually also MD5