Remove useless braces

bossrush.cpp

@@ -283,9 +283,7 @@ int main(int argc,char** argv)
 					erase();
 					refresh();
 					if(choice=='n')
-					{
 						level = choose_level_bossrush(commands);
-					}
 					setup_level_bossrush(level, shootrate, refresh_time);
 					reset(player1, enemies, boss1, bullets, bombs, walls, powerups,rockets, level,chflag); // reset box, player, enemy and deletes all bullets and bombs
 					resetbosses(bosses,boss1,player1);

invaders.cpp

@@ -270,9 +270,7 @@ int main(int argc,char** argv)
 					erase();
 					refresh();
 					if(choice=='n')
-					{
 						level = choose_level(commands);     	// get desired level
-					}
 					setup_level(level, shootrate, refresh_time, boss1, ENEMY_NUM, commands);     	// set game parameters and boss
 					load_enemies(enemies,ENEMY_NUM);
 					reset(player1, enemies, boss1, bullets, bombs, walls, powerups,rockets, level,chflag); // reset box, player, enemy and deletes all bullets and bombs