New comment by Veganizer on void-packages repository

https://github.com/void-linux/void-packages/pull/29987#issuecomment-816364459

Comment:
```bash
Could NOT find ImageMagick (missing: ImageMagick_mogrify_EXECUTABLE)
```
During compiling process, so ImageMagick is needed as makedependency. But I removed it as a dependency and used libmagick instead.