Remove many unused variables and unused setting files (#4607)

* Remove many unused variables and unused setting files

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* Remove a few more dead config vars

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* fix android test_ConfigureSettings_DefaultValues_SetsValues

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

Assets/Engine/Config/artprof.cfg

@@ -1,7 +1,6 @@
 ; Setup useful cvars for artists profiling GPU cost
 ; Once in level (e.g. map c3mp_rooftop_gardens from the frontend/cmdline), in the console:
 ;  exec artprof.cfg
-; Be sure also to set r_shadersAsyncActivation=0 in your user.cfg (or copy artprof_user.cfg -> user.cfg)
 
 ; used to allow loading of loose shaders
 sys_pakPriority=0
@@ -9,19 +8,8 @@ sys_pakPriority=0
 ; because it's annoying and not relevant for artists
 sys_pakLogInvalidFileAccess=0
 
-; disable fog volumes and particles as they can be misleading with r_measureOverdraw 4
-e_fogVolumes=0
-e_particles=0
-
 ; for convenience
-g_infiniteSuitEnergy=1
-g_infiniteAmmo=1
-g_timelimit=0
+
 bind o "r_measureOverdraw 0"
 bind p "r_measureOverdraw 4"
-bind k "r_artProfile 0"
-bind l "r_artProfile 1"
-
-; loading into an MP level with the map command stops you looking up and down unless you have a weapon
-i_giveitem scar