Revert "Added decl_early_init() which is called when PLAYAGAIN is supported."

This reverts commit acbe4d9242.

include/config.h

@@ -556,13 +556,10 @@ typedef unsigned char uchar;
 
 #endif
 
-/* PLAYAGAIN support for allowing the game shell to stay open after the player
- * saves or dies.  This requires that the game engine can be re-entered to
- * start another game.
- *
- * This support does not include supporting playing another game when
- * a panic has occured due to undetermined state the engine is left in after a
- * panic */
+/* PLAYAGAIN is support for allowing the game shell to stay open after the player
+   saves or dies.  This requires that the game engine can be re-entered to start
+   another game.  This support is primarily about ensuring that game engine
+   state is cleaned up properly to allow the game engine to be re-initialized. */
 /* #define PLAYAGAIN */
 
 /* End of Section 4 */

include/extern.h

@@ -251,9 +251,6 @@ E void FDECL(destroy_drawbridge, (int, int));
 /* ### decl.c ### */
 
 E void NDECL(decl_init);
-#ifdef PLAYAGAIN
-E void NDECL(decl_early_init);
-#endif
 
 /* ### detect.c ### */