Remove IPlayer interface

Use PlayerObject instead when referring to the type of "The Player."

src/PersonObjects/Player/PlayerObjectBladeburnerMethods.ts

@@ -1,17 +1,17 @@
 import { Bladeburner } from "../../Bladeburner/Bladeburner";
-import { IPlayer } from "../IPlayer";
+import { PlayerObject } from "./PlayerObject";
 
-export function canAccessBladeburner(this: IPlayer): boolean {
+export function canAccessBladeburner(this: PlayerObject): boolean {
   return this.bitNodeN === 6 || this.bitNodeN === 7 || this.sourceFileLvl(6) > 0 || this.sourceFileLvl(7) > 0;
 }
 
-export function inBladeburner(this: IPlayer): boolean {
+export function inBladeburner(this: PlayerObject): boolean {
   if (this.bladeburner == null) {
     return false;
   }
   return this.bladeburner instanceof Bladeburner;
 }
 
-export function startBladeburner(this: IPlayer): void {
+export function startBladeburner(this: PlayerObject): void {
   this.bladeburner = new Bladeburner();
 }