chore: remove idea files related to detekt (#714)

- detekt idea plugin version (1.23.8) is incompatible with the gradle
plugin version (2.0.0-alpha.2)
- remove the annoying popup shown when the idea starts 
<img width="370" height="123" alt="image"
src="https://github.com/user-attachments/assets/1d689259-4ae4-474b-ad73-88cc5c2c6418"
/>

Author: devcrocod