bonus changes (#429)

* Delete exp_legacy/module/modules/data/bonus.lua

* Update _file_loader.lua

* Update roles.lua

* Update bonus.lua

* Update player_bonus.lua

* Update bonus.lua

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Co-authored-by: Cooldude2606 <25043174+Cooldude2606@users.noreply.github.com>

exp_scenario/module/control/bonus.lua

@@ -11,7 +11,7 @@ local config = require("modules/exp_legacy/config/bonus")
 local function apply_force_bonus(event)
     local force = event.force
     for k, v in pairs(config.force_bonus) do
-        force[k] = v.initial_value
+        force[k] = math.floor(v.max_value / 2)
     end
 end
 
@@ -19,7 +19,7 @@ end
 local function apply_surface_bonus(event)
     local surface = assert(game.get_surface(event.surface_index))
     for k, v in pairs(config.surface_bonus) do
-        surface[k] = v.initial_value
+        surface[k] = math.floor(v.max_value / 2)
     end
 end