remove sBirchSpeechPlatformBlackPal (#2075)

Author: DizzyEggg

graphics/birch_speech/bg2.pal

@@ -1,6 +1,6 @@
 JASC-PAL
 0100
-8
+16
 255 255 164
 255 255 106
 222 222 90
@@ -9,3 +9,11 @@ JASC-PAL
 123 123 49
 90 90 32
 57 57 16
+0 0 0
+0 0 0
+0 0 0
+0 0 0
+0 0 0
+0 0 0
+0 0 0
+0 0 0

src/main_menu.c

@@ -255,7 +255,6 @@ static const u16 sBirchSpeechBgPals[][16] = {
 static const u32 sBirchSpeechShadowGfx[] = INCBIN_U32("graphics/birch_speech/shadow.4bpp.lz");
 static const u32 sBirchSpeechBgMap[] = INCBIN_U32("graphics/birch_speech/map.bin.lz");
 static const u16 sBirchSpeechBgGradientPal[] = INCBIN_U16("graphics/birch_speech/bg2.gbapal");
-static const u16 sBirchSpeechPlatformBlackPal[] = {RGB_BLACK, RGB_BLACK, RGB_BLACK, RGB_BLACK, RGB_BLACK, RGB_BLACK, RGB_BLACK, RGB_BLACK};
 
 #define MENU_LEFT 2
 #define MENU_TOP_WIN0 1
@@ -1278,7 +1277,7 @@ static void Task_NewGameBirchSpeech_Init(u8 taskId)
     LZ77UnCompVram(sBirchSpeechShadowGfx, (void *)VRAM);
     LZ77UnCompVram(sBirchSpeechBgMap, (void *)(BG_SCREEN_ADDR(7)));
     LoadPalette(sBirchSpeechBgPals, BG_PLTT_ID(0), 2 * PLTT_SIZE_4BPP);
-    LoadPalette(sBirchSpeechPlatformBlackPal, BG_PLTT_ID(0) + 1, PLTT_SIZEOF(8));
+    LoadPalette(&sBirchSpeechBgGradientPal[8], BG_PLTT_ID(0) + 1, PLTT_SIZEOF(8));
     ScanlineEffect_Stop();
     ResetSpriteData();
     FreeAllSpritePalettes();