removed `mocha` import from `config.spec.ts`
removed `mocha` import from `config.spec.ts`

sanex3339/javascript-obfuscator,sanex3339/javascript-obfuscator,sanex3339/javascript-obfuscator,javascript-obfuscator/javascript-obfuscator,javascript-obfuscator/javascript-obfuscator,javascript-obfuscator/javascript-obfuscator