Eliminate key_none.

It is no longer needed as it was a hack to get key repeat control working
properly.

include/QF/keys.h

@@ -438,13 +438,11 @@ typedef enum {
 	IMT_LAST,
 } imt_t;											// Input Mapping Table
 
-// key_none should, preferably, be last
 typedef enum {
 	key_game,
 	key_console,
 	key_message,
 	key_menu,
-	key_none
 } keydest_t;
 
 #ifndef __QFCC__

qw/source/cl_chat.c

@@ -251,9 +251,6 @@ cl_chat_keydest (keydest_t keydest)
 		case key_menu:
 			CL_ChatInfo (2);	// supposed to be for loss of focus...
 			break;
-		case key_none:			// shouldn't happen
-			CL_ChatInfo (3);
-			break;
 	}
 }