Revert "Allow NUM_WORKERS override (#2776)"

This reverts commit 3cd22745f7.

num_workers was not passed to the client

src/core/configuration/DefaultConfig.ts

@@ -164,17 +164,7 @@ export abstract class DefaultServerConfig implements ServerConfig {
     }
     return token;
   }
-  numWorkers(): number {
-    const raw = Env.NUM_WORKERS;
-    if (!raw) {
-      throw new Error("NUM_WORKERS not set");
-    }
-    const parsed = Number(raw);
-    if (!Number.isFinite(parsed) || parsed <= 0) {
-      throw new Error(`Invalid NUM_WORKERS value "${raw}"`);
-    }
-    return Math.floor(parsed);
-  }
+  abstract numWorkers(): number;
   abstract env(): GameEnv;
   turnIntervalMs(): number {
     return 100;

src/core/configuration/DevConfig.ts

@@ -27,6 +27,7 @@ export class DevServerConfig extends DefaultServerConfig {
   gameCreationRate(): number {
     return 5 * 1000;
   }
+
   numWorkers(): number {
     return 2;
   }

src/core/configuration/Env.ts

@@ -89,7 +89,4 @@ export const Env = {
   get ADMIN_TOKEN() {
     return getEnv("ADMIN_TOKEN");
   },
-  get NUM_WORKERS() {
-    return getEnv("NUM_WORKERS");
-  },
 };

src/core/configuration/PreprodConfig.ts

@@ -5,6 +5,9 @@ export const preprodConfig = new (class extends DefaultServerConfig {
   env(): GameEnv {
     return GameEnv.Preprod;
   }
+  numWorkers(): number {
+    return 2;
+  }
   turnstileSiteKey(): string {
     return "0x4AAAAAAB7QetxHwRCKw-aP";
   }

src/core/configuration/ProdConfig.ts

@@ -2,6 +2,9 @@ import { GameEnv } from "./Config";
 import { DefaultServerConfig } from "./DefaultConfig";
 
 export const prodConfig = new (class extends DefaultServerConfig {
+  numWorkers(): number {
+    return 20;
+  }
   env(): GameEnv {
     return GameEnv.Prod;
   }