refactor(player/client): set CPlayer.__index as a function

Match server implementation.

imports/player/client.lua

@@ -1,5 +1,14 @@
 local CPlayer = {}
-CPlayer.__index = CPlayer
+
+function CPlayer:__index(index, ...)
+	local method = CPlayer[index]
+
+	if method then
+		return function(...)
+			return method(self, ...)
+		end
+	end
+end
 
 function CPlayer:getCoords(update)
 	if update or not self.coords then
@@ -13,15 +22,6 @@ function CPlayer:getDistance(coords)
 	return #(self:getCoords() - coords)
 end
 
-function lib.addPlayerMethod(name, fn)
-	CPlayer[name] = fn
-end
-
 function lib.getPlayer()
-	return setmetatable({
-		id = cache.playerId,
-		serverId = cache.serverId,
-	}, CPlayer)
+	return CPlayer
 end
-
-player = lib.getPlayer()