Remove python312Packages.enum34.

https://pypi.org/project/enum34/ says:

Python 3.4 Enum backported to 3.3, 3.2, 3.1, 2.7, 2.6, 2.5, and 2.4

Possibly affected packages:

• brotlipy: python312Packages.brotlipy: refactor #349609
• clikit: python312Packages.clikit: refactor #349601
• dragonfly: python312Packages.dragonfly: refactor #349603
• enum-compat:
  • libsoundtouch: python312Packages.libsoundtouch: refactor #349616
  • enocean: python312Packages.enocean: remove enum-compat #349763
  • python-registry: python312Packages.python-registry: refactor #349849
  • i3: i3altlayout: 0.3 -> 1.1.2 #350970
  • hplip: hplip: remove enum-compat #350778
• fs: python312Packages.fs: clean-up #349608
• gin-config: python312Packages.gin-config: refactor #349602
• grpcio: python312Packages.grpcio: 1.64.1 -> 1.67.0 #349727 grpc: 1.62.1 -> 1.67.0 #350432
• numpy-stl: python312Packages.numpy-stl: 3.1.1 -> 3.1.2 #349599
• pypass: enum34 is already being removed
• pysc2: python312Packages.pysc2: remove enum34 #350968
• scikits-odes:
• serpent: python312Packages.serpent: refactor #349719
• types-enum34: no dependency on enum34
• hypothesis: python2Packages.hypothesis: remove enum34 #389263
• setools: setools: refactor #349733
• enum34: python312Packages.enum34: remove #349611