docs: fix mistake in docs

Author: makspll

docs/src/ScriptingReference/core-callbacks.md

@@ -13,8 +13,6 @@ For more information on how callbacks generally work see [the callbacks section]
 
 This will be called right after a script has been loaded or reloaded. This is a good place to initialize your script. You should avoid placing a lot of logic into the global body of your script, and instead put it into this callback. Otherwise errors in the initialization will fail the loading of the script.
 
-This callback will not have access to the `entity` variable, as when the script is being loaded it's not attached to an entity yet.
-
 ```lua
 print("you can also use this space, but it's not recommended")
 function on_script_loaded()
@@ -26,8 +24,6 @@ end
 
 This will be called right before a script is unloaded. This is a good place to clean up any resources that your script has allocated. This is called both before a script is removed as well as before a script is reloaded. If you want to preserve the state of your script across reloads, you can return a value from this callback, which will be passed to `on_script_reloaded` when the script is reloaded.
 
-This callback will not have access to the `entity` variable, as when the script is being unloaded it might not be attached to an entity.
-
 ```lua
 function on_script_unloaded()
     print("Goodbye world")
@@ -40,8 +36,6 @@ end
 Called right after `on_script_loaded` but only if the script was reloaded. 
 The callback is passed a state argument, this state is exactly what is returned by the script through `on_script_unloaded` before a reload happens.
 
-This callback does not have access to the `entity` variable.
-
 ```lua
 mode = 1
 function on_script_reloaded(value)