taito_f2.cpp : Updates

[cam900]

Simplify handlers, Simplify gfxdecodes, Reduce register_postload, duplicates, Runtime tag lookups, Unnecessary lines, Fix bankswitching behaviors, Fix spacings, Namings, Use shorter / Correct type values, Add notes

[Tafoid]

Crash at Initializing:

driveout - taito_f2.cpp

Exception at EIP=00000000051acae0 (memory_bank::configure_entries(int, int, void*, unsigned int)+0x0010): ACCESS VIOLATION
While attempting to read memory at 0000000000000008
00000000002290d0: 00000000051acae0 (memory_bank::configure_entries(int, int, void*, unsigned int)+0x0010)
00000000002291d0: 00000000018ab100 (taitof2_state::init_driveout()+0x0070)
0000000000229200: 00000000018ab19d ({lambda(device_t&)#126}::_FUN(device_t&)+0x000d)
0000000000229240: 00000000051a1a86 (driver_device::device_start()+0x0086)
0000000000229360: 0000000005166263 (device_t::start()+0x0533)
00000000002293d0: 0000000005231688 (running_machine::start_all_devices()+0x0088)

---