Identify more labels, and use the jumptable macro when possible

engine/games/card_flip.asm

@@ -75,16 +75,7 @@ _CardFlip:
 	ret
 
 .CardFlip:
-	ld a, [wJumptableIndex]
-	ld e, a
-	ld d, 0
-	ld hl, .Jumptable
-	add hl, de
-	add hl, de
-	ld a, [hli]
-	ld h, [hl]
-	ld l, a
-	jp hl
+	jumptable .Jumptable, wJumptableIndex
 
 .Jumptable:
 	dw .AskPlayWithThree

engine/games/unown_puzzle.asm

@@ -169,16 +169,7 @@ PlaceStartCancelBoxBorder:
 	ret
 
 UnownPuzzleJumptable:
-	ld a, [wJumptableIndex]
-	ld e, a
-	ld d, 0
-	ld hl, .Jumptable
-	add hl, de
-	add hl, de
-	ld a, [hli]
-	ld h, [hl]
-	ld l, a
-	jp hl
+	jumptable .Jumptable, wJumptableIndex
 
 .Jumptable:
 	dw .Function