Remove spdlog dependency, keep the logging module

[Lgt2x]

Pull Request Type

• [ ] GitHub Workflow changes
• [ ] Documentation or Wiki changes
• [x] Build and Dependency changes
• [ ] Runtime changes
  • [ ] Render changes
  • [ ] Audio changes
  • [ ] Input changes
  • [ ] Network changes
  • [ ] Other changes

Description

Remove spdlog dependency once and for all

Related Issues

271 #327

[Lgt2x]

Read discussion in #327 and #271 for context

[Lgt2x]

Also tagging @Jayman2000 as you've been active in logging related discussions