grenade: fix kills counting as two kills (#1764)

Resolves #1560.

docs/tr2/CHANGELOG.md

@@ -14,6 +14,7 @@
 - fixed Lara's underwater hue being retained when re-entering a boat (#1596)
 - fixed Lara reloading the harpoon gun after every shot in NG+ (#1575)
 - fixed the dragon reviving itself after Lara removes the dagger in rare circumstances (#1572)
+- fixed grenades counting as double kills in the game statistics (#1560)
 
 ## [0.5](https://github.com/LostArtefacts/TRX/compare/afaf12a...tr2-0.5) - 2024-10-08
 - added `/sfx` command

docs/tr2/README.md

@@ -30,6 +30,7 @@ decompilation process. We recognize that there is much work to be done.
 - fixed the distorted skybox in room 5 of Barkhang Monastery
 - fixed Lara reloading the harpoon gun after every shot in NG+
 - fixed the dragon reviving itself after Lara removes the dagger in rare circumstances
+- fixed grenades counting as double kills in the game statistics
 
 #### Visuals
 

src/tr2/game/objects/general/grenade.c

@@ -124,7 +124,6 @@ void __cdecl Grenade_Control(int16_t item_num)
             g_SaveGame.statistics.hits++;
 
             if (target_item->hit_points <= 0) {
-                g_SaveGame.statistics.kills++;
                 if (target_item->object_id != O_DRAGON_FRONT
                     && target_item->object_id != O_GIANT_YETI) {
                     Creature_Die(target_item_num, true);