Somemore small fixes

.eslintrc.js

@@ -25,11 +25,5 @@ module.exports = {
                 "@typescript-eslint/no-var-requires": "off",
             },
         },
-        {
-            files: ["./test/**/*.js"],
-            env: {
-                "jest/globals": true,
-            },
-        },
     ],
 };

gulpfile.js

@@ -178,7 +178,6 @@ function getTargetVersion(currentVersion, release) {
  */
 function bumpVersion(cb) {
     const packageJson = fs.readJSONSync("package.json");
-    const packageLockJson = fs.existsSync("package-lock.json") ? fs.readJSONSync("package-lock.json") : undefined;
     const manifest = getManifest();
 
     if (!manifest) cb(Error(chalk.red("Manifest JSON not found")));