fear(wf): Update Warfork path (#4541)

As of the latest update on Steam, the installation directory for Linux has been moved out of `Warfork.app/Contents/Resources/`

Co-authored-by: Daniel Gibbs <me@danielgibbs.co.uk>

lgsm/config-default/config-lgsm/wfserver/_default.cfg

@@ -156,7 +156,7 @@ glibc="2.15"
 # Edit with care
 
 ## Game Server Directories
-systemdir="${serverfiles}/Warfork.app/Contents/Resources"
+systemdir="${serverfiles}"
 executabledir="${systemdir}"
 executable="./wf_server.x86_64"
 servercfgdir="${systemdir}/basewf"