More constants and bug comments in item effects.

Apparently a bunch of constants from red were never removed for some reason.

constants/item_constants.asm

@@ -252,6 +252,13 @@ HM_08         EQU $FA
 
 NUM_TMS EQU HM_01 - TM_01 - 2
 
+
+; leftovers from red
+SAFARI_BALL    EQU  8 ; MOON_STONE
+MOON_STONE_RED EQU 10 ; BURN_HEAL
+FULL_HEAL_RED  EQU 52 ; X_SPEED
+
+
 ; pockets
 ITEM     EQU 1
 KEY_ITEM EQU 2
@@ -311,6 +318,8 @@ HELD_DRAGON_BOOST   EQU $40
 HELD_DARK_BOOST     EQU $41
 HELD_STEEL_BOOST    EQU $42
 
+HELD_CATCH_CHANCE   EQU $46
+
 HELD_ESCAPE         EQU $48
 HELD_CRITICAL_UP    EQU $49
 HELD_QUICK_CLAW     EQU $4a