Final touches: removed unused declaration in gdrv.

Removed unused Msg entries and added new check.

SpaceCadetPinball/gdrv.h

@@ -1,7 +1,5 @@
 #pragma once
 
-class TTextBox;
-
 enum class BitmapTypes : uint8_t
 {
 	None = 0,
@@ -85,7 +83,6 @@ public:
 	static void grtext_draw_ttext_in_box();
 	static void ApplyPalette(gdrv_bitmap8& bmp);
 	static void CreatePreview(gdrv_bitmap8& bmp);
-
 private:
 	static ColorRgba current_palette[256];
 };

SpaceCadetPinball/translations.h

@@ -242,8 +242,6 @@ enum class Msg : int
 	Menu1_1024x768,
 	Menu1_WindowUniformScale,
 	Menu1_AlternativeRender,
-	Menu1_Language,
-	Menu1_LanguageMax,
 	Menu1_Game,
 	Menu1_Options,
 	Menu1_Select_Players,
@@ -300,6 +298,11 @@ struct TextArray
 				Set(msgPair.first, languagePair.first, languagePair.second);
 			}
 		}
+
+		for (auto i = Msg::Min; i < Msg::Max; i = static_cast<Msg>(static_cast<int>(i) + 1))
+		{
+			assertm(contains(i, Lang::English), "English text is mandatory for all keys");
+		}
 	}
 
 	LPCSTR Get(Msg msgId, Lang langId) const