Base: Remove UserspaceEmulator from the list of manual pages to verify

This is used during CI to verify that some manual pages are up to date
with the output of the corresponding program's --help option. UE does
not exist on x86_64 yet, so we cannot run `UE --help`. Remove it from
this list for now.

Base/root/generate_manpages.sh

@@ -20,8 +20,8 @@ exit_for_error()
 
 rm -rf generated_manpages 2> "$ERROR_FILE" || exit_for_error
 
+# FIXME: Add `UserspaceEmulator 1` back to this list after UE is functional on x86_64.
 for i in ( \
-            (UserspaceEmulator 1) \
             (config 1) \
             (fortune 1) \
             (grep 1) \