update unsupported 3rd party dedi hosts list

modules/ROOT/pages/ForUsers/DedicatedServerSetup.adoc

@@ -45,12 +45,11 @@ We do not currently maintain a list of server hosts that support modded servers.
 The following 3rd party hosting services are known to **NOT support mods**,
 regardless of what their websites and marketing pages claim:
 
-// cspell:ignore nitroserv gportal
+// cspell:ignore nitroserv
 
 - low.ms - Does not allow executables
 - nitroserv.games - Allows creating but not deleting dot files, which bricks the server
 - Shockbyte - Doesn't show the root executable
-- gportal - Doesn't show the proper game file tree, just the Saved folder
 - 4netplayers - Doesn't show the root executable, as well as other game files
 - GTXGaming - Doesn't show the proper game file tree, just the Saved folder