remove lying, outdated or superfluous comments

no more guards, no more cpp files included

i18n/LanguageStrings.cpp

@@ -1,10 +1,4 @@
-// All eight languages' string tables in one translation unit (docs/plans/
+#include "Text.h"
-// language-design.md): each base + Ja2.5-carryover text file is included inside its
-// own per-language namespace, the game-facing table symbols are the pointer globals
-// below (statically bound to the build default), and BindLanguageStrings rebinds all
-// of them to the language resolved at startup from the LANGUAGE ini key.
-
-#include "Text.h"
 #include "FileMan.h"
 #include "Scheduling.h"
 #include "EditorMercs.h"
@@ -14,11 +8,6 @@
 
 #include <type_traits>
 
-// Recipe R1 (docs/plans/language-design.md): the loose _<LANG>Text.cpp files are still
-// compiled standalone until Cn+2, and #include the headers declaring the now-pointer
-// externs themselves; this guard keeps their array definitions out of those standalone
-// TUs (which would collide with the pointer extern) while still compiling them here.
-
 namespace lang_en {
 #include "_EnglishText.cpp"
 #include "_Ja25EnglishText.cpp"

i18n/language.cpp

@@ -2,9 +2,6 @@
 #include "DEBUG.H"
 
 namespace {
-// Cn+4 retired the per-exe ENGLISH/GERMAN/... compile definitions along with the CMake
-// language axis, so the build default is now a fixed constant; the ini key (below)
-// overrides it at runtime via g_lang/BindLanguageStrings.
 constexpr i18n::Lang kBuildDefaultLang = i18n::Lang::en;
 
 auto RowsForLang(i18n::Lang lang) -> int {
@@ -12,10 +9,6 @@ auto RowsForLang(i18n::Lang lang) -> int {
 }
 }
 
-/* g_lang used to be a compile-time const picked by the ENGLISH/GERMAN/...
- * define; it is now a runtime value that starts at the build's default and
- * can be overridden at startup from the [Ja2 Settings] LANGUAGE ini key (see
- * SetLanguageFromName / sgp.cpp GetRuntimeSettings). */
 i18n::Lang g_lang = kBuildDefaultLang;
 
 int MAX_MESSAGES_ON_MAP_BOTTOM = RowsForLang(g_lang);