Undo PokeCodec's PRs

This commit undoes most of PokeCodec's PRs after the debate in chat. Some
harmless or completely superseded PRs have been left alone, as there is not
much benefit in attempting to undo them.

Reverts #1104, #1108, #1115, #1118, #1119, #1124, #1126, #1127, #1132, #1136,
#1137, #1139, #1140, #1144, #1148, #1149, #1150, #1153, #1155, #1177, #1179,
#1180, #1181, #1182 and #1183.

gflib/text.h

@@ -269,20 +269,13 @@
 
 #define TEXT_SPEED_FF 0xFF
 
-enum
-{
-    COLOR_FOREGROUND,
-    COLOR_SHADOW,
-    COLOR_BACKGROUND
-};
-
 enum
 {
     FONTATTR_MAX_LETTER_WIDTH,
     FONTATTR_MAX_LETTER_HEIGHT,
     FONTATTR_LETTER_SPACING,
     FONTATTR_LINE_SPACING,
-    FONTATTR_STYLE,
+    FONTATTR_UNKNOWN,   // dunno what this is yet
     FONTATTR_COLOR_FOREGROUND,
     FONTATTR_COLOR_BACKGROUND,
     FONTATTR_COLOR_SHADOW
@@ -310,7 +303,7 @@ struct TextPrinterTemplate
     u8 currentY;
     u8 letterSpacing;
     u8 lineSpacing;
-    u8 style:4;   // 0xC
+    u8 unk:4;   // 0xC
     u8 fgColor:4;
     u8 bgColor:4;
     u8 shadowColor:4;
@@ -329,7 +322,7 @@ struct TextPrinter
     u8 delayCounter;
     u8 scrollDistance;
     u8 minLetterSpacing;  // 0x20
-    bool8 japanese;
+    u8 japanese;
 };
 
 struct FontInfo
@@ -339,7 +332,7 @@ struct FontInfo
     u8 maxLetterHeight;
     u8 letterSpacing;
     u8 lineSpacing;
-    u8 style:4; //unused
+    u8 unk:4;
     u8 fgColor:4;
     u8 bgColor:4;
     u8 shadowColor:4;
@@ -373,13 +366,13 @@ struct Struct_03002F90
     u32 unk20[8];
     u32 unk40[8];
     u32 unk60[8];
-    u8 width;
-    u8 height;
+    u8 unk80;
+    u8 unk81;
 };
 
 extern TextFlags gTextFlags;
 
-extern bool8 gUnknown_03002F84;
+extern u8 gUnknown_03002F84;
 extern struct Struct_03002F90 gUnknown_03002F90;
 
 void SetFontsPointer(const struct FontInfo *fonts);