Removed the unused game_time variable, and fixed the incorrect calculation of start_game_time when restoring a game

svn-id: r44770

engines/sci/engine/savegame.cpp

@@ -521,9 +521,6 @@ int gamestate_save(EngineState *s, Common::WriteStream *fh, const char* savename
 		}
 	}
 */
-	// Calculate the time spent with this game
-	s->game_time = (g_system->getMillis() - s->game_start_time) / 1000;
-
 	Common::Serializer ser(0, fh);
 	sync_SavegameMetadata(ser, meta);
 	s->saveLoadWithSerializer(ser);		// FIXME: Error handling?
@@ -774,7 +771,7 @@ EngineState *gamestate_restore(EngineState *s, Common::SeekableReadStream *fh) {
 
 	// Time state:
 	retval->last_wait_time = g_system->getMillis();
-	retval->game_start_time = g_system->getMillis() - retval->game_time * 1000;
+	retval->game_start_time = g_system->getMillis();
 
 	// static parser information:
 

engines/sci/engine/state.cpp

@@ -49,8 +49,6 @@ EngineState::EngineState(ResourceManager *res, Kernel *kernel, Vocabulary *voc,
 	status_bar_foreground = 0;
 	status_bar_background = 0;
 
-	game_time = 0;
-
 	port = 0;
 
 	memset(ega_colors, 0, sizeof(ega_colors));

engines/sci/engine/state.h

@@ -200,8 +200,6 @@ public:
 
 	int status_bar_foreground, status_bar_background;
 
-	long game_time; /**< Counted at 60 ticks per second, reset during start time */
-
 	GfxPort *port; /**< The currently active port */
 
 	gfx_color_t ega_colors[16]; /**< The 16 EGA colors- for SCI0(1) */