UNIF: Update boards based on last commit

- fixes (if necessary), update and cleanup the following boards that now dont need alternate mappings:
- this is part of migrating unif to be usuable in ines mappers
- boards affected in this commit are:
  SUPERVISION16IN1, GS-2004, GS-2013, UNL-SMB2J, MARIO1-MALEE2, UNL-SA-9602B, UNL-KS106C / RESETNROM-XIN1
  UNL-AC08, NES-NTBROM, BMC-K-3033, BMC-GN-26, BMC-GHOSTBUSTERS63IN1, BMC-830425C-4391T
  BMC-830134C, BMC-891227 / BMC-CTC-12IN1, BMC-JC-016-2, UNL-T4A54A, UNL-8157, BMC-T-262
  (might have forgotten to list some...)

src/boards/resettxrom.c

@@ -30,21 +30,11 @@
 static uint8 chip;
 
 static void M313CW(uint32 A, uint8 V) {
-	if (CHRptr[1]) {
-		chip = EXPREGS[0];
-		if (chip > CHRchip_max) chip &= CHRchip_max;
-		setchr1r(chip, A, (V & 0x7F));
-	} else
-		setchr1(A, (EXPREGS[0] << 7) | (V & 0x7F));
+	setchr1(A, (EXPREGS[0] << 7) | (V & 0x7F));
 }
 
 static void M313PW(uint32 A, uint8 V) {
-	if (PRGptr[1]) {
-		chip = EXPREGS[0];
-		if (chip > PRGchip_max) chip &= PRGchip_max;
-		setprg8r(chip, A, (V & 0x0F));
-	} else
-		setprg8(A, (EXPREGS[0] << 4) | (V & 0x0F));
+	setprg8(A, (EXPREGS[0] << 4) | (V & 0x0F));
 }
 
 static void M313Reset(void) {