Refactoring Targets

Prioritize improvements to these files since they have the highest technical debt interest rate.


otp/erts/emulator/beam/erl_process.c
otp/erts/emulator/beam/beam_emu.c
otp/erts/emulator/beam/global.h
otp/erts/emulator/beam/erl_nif.c
otp/erts/emulator/beam/beam_load.c
otp/erts/emulator/beam/io.c
otp/erts/emulator/beam/erl_bif_info.c
otp/erts/emulator/beam/utils.c
otp/erts/emulator/beam/erl_process.h
otp/erts/emulator/beam/bif.c