Revert "Solve #182 add table pool for events"

This reverts commit dff522fbaa.

druid/component.lua

@@ -8,7 +8,6 @@
 local const = require("druid.const")
 local class = require("druid.system.middleclass")
 local helper = require("druid.helper")
-local tablepool = require("druid.system.tablepool")
 
 
 local BaseComponent = class("druid.component")
@@ -349,11 +348,6 @@ function BaseComponent.set_debug(self, is_debug)
 end
 
 
---- On remove method on druid:remove or druid:final (protected)
-function BaseComponent:on_internal_remove()
-end
-
-
 --- Return true, if input priority was changed
 -- @tparam BaseComponent self @{BaseComponent}
 -- @local