chore: removes chai-subset dependenciy

package.json

@@ -53,7 +53,6 @@
     "chai": "~5.2.0",
     "chai-as-promised": "~8.0.1",
     "chai-spies": "~1.1.0",
-    "chai-subset": "~1.6.0",
     "esbuild": "~0.25.1",
     "eslint": "~9.23.0",
     "eslint-config-prettier": "~10.1.1",

src/chai.js

@@ -1,11 +1,9 @@
 import * as chaiModule from 'chai';
 import chaiSpies from 'chai-spies';
-import chaiSubset from 'chai-subset';
 import chaiAsPromised from 'chai-as-promised';
 const chai = {...chaiModule};
 
 chaiSpies(chai, chai.util);
-chaiSubset(chai, chai.util);
 chaiAsPromised(chai, chai.util);
 
 export {chai};